7457840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 19123776

約数和(自身を除く): 11665936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 101, 104, 130, 142, 202, 208, 260, 284, 355, 404, 505, 520, 568, 710, 808, 923, 1010, 1040, 1136, 1313, 1420, 1616, 1846, 2020, 2626, 2840, 3692, 4040, 4615, 5252, 5680, 6565, 7171, 7384, 8080, 9230, 10504, 13130, 14342, 14768, 18460, 21008, 26260, 28684, 35855, 36920, 52520, 57368, 71710, 73840, 93223, 105040, 114736, 143420, 186446, 286840, 372892, 466115, 573680, 745784, 932230, 1491568, 1864460, 3728920, 7457840]

約数ペア:

[(1, 7457840), (2, 3728920), (4, 1864460), (5, 1491568), (8, 932230), (10, 745784), (13, 573680), (16, 466115), (20, 372892), (26, 286840), (40, 186446), (52, 143420), (65, 114736), (71, 105040), (80, 93223), (101, 73840), (104, 71710), (130, 57368), (142, 52520), (202, 36920), (208, 35855), (260, 28684), (284, 26260), (355, 21008), (404, 18460), (505, 14768), (520, 14342), (568, 13130), (710, 10504), (808, 9230), (923, 8080), (1010, 7384), (1040, 7171), (1136, 6565), (1313, 5680), (1420, 5252), (1616, 4615), (1846, 4040), (2020, 3692), (2626, 2840)]