40819600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 106555680

約数和(自身を除く): 65736080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 41, 50, 76, 80, 82, 95, 100, 131, 152, 164, 190, 200, 205, 262, 304, 328, 380, 400, 410, 475, 524, 655, 656, 760, 779, 820, 950, 1025, 1048, 1310, 1520, 1558, 1640, 1900, 2050, 2096, 2489, 2620, 3116, 3275, 3280, 3800, 3895, 4100, 4978, 5240, 5371, 6232, 6550, 7600, 7790, 8200, 9956, 10480, 10742, 12445, 12464, 13100, 15580, 16400, 19475, 19912, 21484, 24890, 26200, 26855, 31160, 38950, 39824, 42968, 49780, 52400, 53710, 62225, 62320, 77900, 85936, 99560, 102049, 107420, 124450, 134275, 155800, 199120, 204098, 214840, 248900, 268550, 311600, 408196, 429680, 497800, 510245, 537100, 816392, 995600, 1020490, 1074200, 1632784, 2040980, 2148400, 2551225, 4081960, 5102450, 8163920, 10204900, 20409800, 40819600]

約数ペア:

[(1, 40819600), (2, 20409800), (4, 10204900), (5, 8163920), (8, 5102450), (10, 4081960), (16, 2551225), (19, 2148400), (20, 2040980), (25, 1632784), (38, 1074200), (40, 1020490), (41, 995600), (50, 816392), (76, 537100), (80, 510245), (82, 497800), (95, 429680), (100, 408196), (131, 311600), (152, 268550), (164, 248900), (190, 214840), (200, 204098), (205, 199120), (262, 155800), (304, 134275), (328, 124450), (380, 107420), (400, 102049), (410, 99560), (475, 85936), (524, 77900), (655, 62320), (656, 62225), (760, 53710), (779, 52400), (820, 49780), (950, 42968), (1025, 39824), (1048, 38950), (1310, 31160), (1520, 26855), (1558, 26200), (1640, 24890), (1900, 21484), (2050, 19912), (2096, 19475), (2489, 16400), (2620, 15580), (3116, 13100), (3275, 12464), (3280, 12445), (3800, 10742), (3895, 10480), (4100, 9956), (4978, 8200), (5240, 7790), (5371, 7600), (6232, 6550)]