70897840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68171}}^1$

素因数の和:68197

約数の個数: 40

約数和(自身を含む): 177519888

約数和(自身を除く): 106622048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 68171, 136342, 272684, 340855, 545368, 681710, 886223, 1090736, 1363420, 1772446, 2726840, 3544892, 4431115, 5453680, 7089784, 8862230, 14179568, 17724460, 35448920, 70897840]

約数ペア:

[(1, 70897840), (2, 35448920), (4, 17724460), (5, 14179568), (8, 8862230), (10, 7089784), (13, 5453680), (16, 4431115), (20, 3544892), (26, 2726840), (40, 1772446), (52, 1363420), (65, 1090736), (80, 886223), (104, 681710), (130, 545368), (208, 340855), (260, 272684), (520, 136342), (1040, 68171)]