25212720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8081}}^1$

素因数の和:8110

約数の個数: 80

約数和(自身を含む): 84182112

約数和(自身を除く): 58969392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 8081, 16162, 24243, 32324, 40405, 48486, 64648, 80810, 96972, 105053, 121215, 129296, 161620, 193944, 210106, 242430, 315159, 323240, 387888, 420212, 484860, 525265, 630318, 646480, 840424, 969720, 1050530, 1260636, 1575795, 1680848, 1939440, 2101060, 2521272, 3151590, 4202120, 5042544, 6303180, 8404240, 12606360, 25212720]

約数ペア:

[(1, 25212720), (2, 12606360), (3, 8404240), (4, 6303180), (5, 5042544), (6, 4202120), (8, 3151590), (10, 2521272), (12, 2101060), (13, 1939440), (15, 1680848), (16, 1575795), (20, 1260636), (24, 1050530), (26, 969720), (30, 840424), (39, 646480), (40, 630318), (48, 525265), (52, 484860), (60, 420212), (65, 387888), (78, 323240), (80, 315159), (104, 242430), (120, 210106), (130, 193944), (156, 161620), (195, 129296), (208, 121215), (240, 105053), (260, 96972), (312, 80810), (390, 64648), (520, 48486), (624, 40405), (780, 32324), (1040, 24243), (1560, 16162), (3120, 8081)]