20734236400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{17377}}^1$

素因数の和:17571

約数の個数: 120

約数和(自身を含む): 52772815280

約数和(自身を除く): 32038578880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 157, 190, 200, 304, 314, 380, 400, 475, 628, 760, 785, 950, 1256, 1520, 1570, 1900, 2512, 2983, 3140, 3800, 3925, 5966, 6280, 7600, 7850, 11932, 12560, 14915, 15700, 17377, 23864, 29830, 31400, 34754, 47728, 59660, 62800, 69508, 74575, 86885, 119320, 139016, 149150, 173770, 238640, 278032, 298300, 330163, 347540, 434425, 596600, 660326, 695080, 868850, 1193200, 1320652, 1390160, 1650815, 1737700, 2641304, 2728189, 3301630, 3475400, 5282608, 5456378, 6603260, 6950800, 8254075, 10912756, 13206520, 13640945, 16508150, 21825512, 26413040, 27281890, 33016300, 43651024, 51835591, 54563780, 66032600, 68204725, 103671182, 109127560, 132065200, 136409450, 207342364, 218255120, 259177955, 272818900, 414684728, 518355910, 545637800, 829369456, 1036711820, 1091275600, 1295889775, 2073423640, 2591779550, 4146847280, 5183559100, 10367118200, 20734236400]

約数ペア:

[(1, 20734236400), (2, 10367118200), (4, 5183559100), (5, 4146847280), (8, 2591779550), (10, 2073423640), (16, 1295889775), (19, 1091275600), (20, 1036711820), (25, 829369456), (38, 545637800), (40, 518355910), (50, 414684728), (76, 272818900), (80, 259177955), (95, 218255120), (100, 207342364), (152, 136409450), (157, 132065200), (190, 109127560), (200, 103671182), (304, 68204725), (314, 66032600), (380, 54563780), (400, 51835591), (475, 43651024), (628, 33016300), (760, 27281890), (785, 26413040), (950, 21825512), (1256, 16508150), (1520, 13640945), (1570, 13206520), (1900, 10912756), (2512, 8254075), (2983, 6950800), (3140, 6603260), (3800, 5456378), (3925, 5282608), (5966, 3475400), (6280, 3301630), (7600, 2728189), (7850, 2641304), (11932, 1737700), (12560, 1650815), (14915, 1390160), (15700, 1320652), (17377, 1193200), (23864, 868850), (29830, 695080), (31400, 660326), (34754, 596600), (47728, 434425), (59660, 347540), (62800, 330163), (69508, 298300), (74575, 278032), (86885, 238640), (119320, 173770), (139016, 149150)]