91037440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5471}}^1$

素因数の和:5505

約数の個数: 72

約数和(自身を含む): 234880128

約数和(自身を除く): 143842688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 5471, 8320, 10942, 16640, 21884, 27355, 43768, 54710, 71123, 87536, 109420, 142246, 175072, 218840, 284492, 350144, 355615, 437680, 568984, 700288, 711230, 875360, 1137968, 1400576, 1422460, 1750720, 2275936, 2844920, 3501440, 4551872, 5689840, 7002880, 9103744, 11379680, 18207488, 22759360, 45518720, 91037440]

約数ペア:

[(1, 91037440), (2, 45518720), (4, 22759360), (5, 18207488), (8, 11379680), (10, 9103744), (13, 7002880), (16, 5689840), (20, 4551872), (26, 3501440), (32, 2844920), (40, 2275936), (52, 1750720), (64, 1422460), (65, 1400576), (80, 1137968), (104, 875360), (128, 711230), (130, 700288), (160, 568984), (208, 437680), (256, 355615), (260, 350144), (320, 284492), (416, 218840), (520, 175072), (640, 142246), (832, 109420), (1040, 87536), (1280, 71123), (1664, 54710), (2080, 43768), (3328, 27355), (4160, 21884), (5471, 16640), (8320, 10942)]