202106320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{521}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 508373712

約数和(自身を除く): 306267392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 373, 520, 521, 746, 1040, 1042, 1492, 1865, 2084, 2605, 2984, 3730, 4168, 4849, 5210, 5968, 6773, 7460, 8336, 9698, 10420, 13546, 14920, 19396, 20840, 24245, 27092, 29840, 33865, 38792, 41680, 48490, 54184, 67730, 77584, 96980, 108368, 135460, 193960, 194333, 270920, 387920, 388666, 541840, 777332, 971665, 1554664, 1943330, 2526329, 3109328, 3886660, 5052658, 7773320, 10105316, 12631645, 15546640, 20210632, 25263290, 40421264, 50526580, 101053160, 202106320]

約数ペア:

[(1, 202106320), (2, 101053160), (4, 50526580), (5, 40421264), (8, 25263290), (10, 20210632), (13, 15546640), (16, 12631645), (20, 10105316), (26, 7773320), (40, 5052658), (52, 3886660), (65, 3109328), (80, 2526329), (104, 1943330), (130, 1554664), (208, 971665), (260, 777332), (373, 541840), (520, 388666), (521, 387920), (746, 270920), (1040, 194333), (1042, 193960), (1492, 135460), (1865, 108368), (2084, 96980), (2605, 77584), (2984, 67730), (3730, 54184), (4168, 48490), (4849, 41680), (5210, 38792), (5968, 33865), (6773, 29840), (7460, 27092), (8336, 24245), (9698, 20840), (10420, 19396), (13546, 14920)]