2040203440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{29347}}^1$

素因数の和:29450

約数の個数: 80

約数和(自身を含む): 5240378880

約数和(自身を除く): 3200175440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 3160, 3476, 4345, 6320, 6952, 8690, 13904, 17380, 29347, 34760, 58694, 69520, 117388, 146735, 234776, 293470, 322817, 469552, 586940, 645634, 1173880, 1291268, 1614085, 2318413, 2347760, 2582536, 3228170, 4636826, 5165072, 6456340, 9273652, 11592065, 12912680, 18547304, 23184130, 25502543, 25825360, 37094608, 46368260, 51005086, 92736520, 102010172, 127512715, 185473040, 204020344, 255025430, 408040688, 510050860, 1020101720, 2040203440]

約数ペア:

[(1, 2040203440), (2, 1020101720), (4, 510050860), (5, 408040688), (8, 255025430), (10, 204020344), (11, 185473040), (16, 127512715), (20, 102010172), (22, 92736520), (40, 51005086), (44, 46368260), (55, 37094608), (79, 25825360), (80, 25502543), (88, 23184130), (110, 18547304), (158, 12912680), (176, 11592065), (220, 9273652), (316, 6456340), (395, 5165072), (440, 4636826), (632, 3228170), (790, 2582536), (869, 2347760), (880, 2318413), (1264, 1614085), (1580, 1291268), (1738, 1173880), (3160, 645634), (3476, 586940), (4345, 469552), (6320, 322817), (6952, 293470), (8690, 234776), (13904, 146735), (17380, 117388), (29347, 69520), (34760, 58694)]