80416930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 168220800

約数和(自身を除く): 87803870

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 109, 110, 190, 209, 218, 353, 418, 545, 706, 1045, 1090, 1199, 1765, 2071, 2090, 2398, 3530, 3883, 4142, 5995, 6707, 7766, 10355, 11990, 13414, 19415, 20710, 22781, 33535, 38477, 38830, 45562, 67070, 73777, 76954, 113905, 147554, 192385, 227810, 368885, 384770, 423247, 731063, 737770, 846494, 1462126, 2116235, 3655315, 4232470, 7310630, 8041693, 16083386, 40208465, 80416930]

約数ペア:

[(1, 80416930), (2, 40208465), (5, 16083386), (10, 8041693), (11, 7310630), (19, 4232470), (22, 3655315), (38, 2116235), (55, 1462126), (95, 846494), (109, 737770), (110, 731063), (190, 423247), (209, 384770), (218, 368885), (353, 227810), (418, 192385), (545, 147554), (706, 113905), (1045, 76954), (1090, 73777), (1199, 67070), (1765, 45562), (2071, 38830), (2090, 38477), (2398, 33535), (3530, 22781), (3883, 20710), (4142, 19415), (5995, 13414), (6707, 11990), (7766, 10355)]