827697520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25673}}^1$

素因数の和:25730

約数の個数: 80

約数和(自身を含む): 2139363072

約数和(自身を除く): 1311665552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 25673, 32240, 51346, 102692, 128365, 205384, 256730, 333749, 410768, 513460, 667498, 795863, 1026920, 1334996, 1591726, 1668745, 2053840, 2669992, 3183452, 3337490, 3979315, 5339984, 6366904, 6674980, 7958630, 10346219, 12733808, 13349960, 15917260, 20692438, 26699920, 31834520, 41384876, 51731095, 63669040, 82769752, 103462190, 165539504, 206924380, 413848760, 827697520]

約数ペア:

[(1, 827697520), (2, 413848760), (4, 206924380), (5, 165539504), (8, 103462190), (10, 82769752), (13, 63669040), (16, 51731095), (20, 41384876), (26, 31834520), (31, 26699920), (40, 20692438), (52, 15917260), (62, 13349960), (65, 12733808), (80, 10346219), (104, 7958630), (124, 6674980), (130, 6366904), (155, 5339984), (208, 3979315), (248, 3337490), (260, 3183452), (310, 2669992), (403, 2053840), (496, 1668745), (520, 1591726), (620, 1334996), (806, 1026920), (1040, 795863), (1240, 667498), (1612, 513460), (2015, 410768), (2480, 333749), (3224, 256730), (4030, 205384), (6448, 128365), (8060, 102692), (16120, 51346), (25673, 32240)]