85201220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2\times {\mathrm{73}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 198284184

約数和(自身を除く): 113082964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 73, 130, 134, 146, 260, 268, 292, 335, 365, 670, 730, 871, 949, 1340, 1460, 1742, 1898, 3484, 3796, 4355, 4489, 4745, 4891, 8710, 8978, 9490, 9782, 17420, 17956, 18980, 19564, 22445, 24455, 44890, 48910, 58357, 63583, 89780, 97820, 116714, 127166, 233428, 254332, 291785, 317915, 327697, 583570, 635830, 655394, 1167140, 1271660, 1310788, 1638485, 3276970, 4260061, 6553940, 8520122, 17040244, 21300305, 42600610, 85201220]

約数ペア:

[(1, 85201220), (2, 42600610), (4, 21300305), (5, 17040244), (10, 8520122), (13, 6553940), (20, 4260061), (26, 3276970), (52, 1638485), (65, 1310788), (67, 1271660), (73, 1167140), (130, 655394), (134, 635830), (146, 583570), (260, 327697), (268, 317915), (292, 291785), (335, 254332), (365, 233428), (670, 127166), (730, 116714), (871, 97820), (949, 89780), (1340, 63583), (1460, 58357), (1742, 48910), (1898, 44890), (3484, 24455), (3796, 22445), (4355, 19564), (4489, 18980), (4745, 17956), (4891, 17420), (8710, 9782), (8978, 9490)]