91945360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 231860160

約数和(自身を除く): 139914800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 211, 260, 419, 422, 520, 838, 844, 1040, 1055, 1676, 1688, 2095, 2110, 2743, 3352, 3376, 4190, 4220, 5447, 5486, 6704, 8380, 8440, 10894, 10972, 13715, 16760, 16880, 21788, 21944, 27235, 27430, 33520, 43576, 43888, 54470, 54860, 87152, 88409, 108940, 109720, 176818, 217880, 219440, 353636, 435760, 442045, 707272, 884090, 1149317, 1414544, 1768180, 2298634, 3536360, 4597268, 5746585, 7072720, 9194536, 11493170, 18389072, 22986340, 45972680, 91945360]

約数ペア:

[(1, 91945360), (2, 45972680), (4, 22986340), (5, 18389072), (8, 11493170), (10, 9194536), (13, 7072720), (16, 5746585), (20, 4597268), (26, 3536360), (40, 2298634), (52, 1768180), (65, 1414544), (80, 1149317), (104, 884090), (130, 707272), (208, 442045), (211, 435760), (260, 353636), (419, 219440), (422, 217880), (520, 176818), (838, 109720), (844, 108940), (1040, 88409), (1055, 87152), (1676, 54860), (1688, 54470), (2095, 43888), (2110, 43576), (2743, 33520), (3352, 27430), (3376, 27235), (4190, 21944), (4220, 21788), (5447, 16880), (5486, 16760), (6704, 13715), (8380, 10972), (8440, 10894)]