80220400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15427}}^1$

素因数の和:15458

約数の個数: 60

約数和(自身を含む): 207568312

約数和(自身を除く): 127347912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 15427, 30854, 61708, 77135, 123416, 154270, 200551, 246832, 308540, 385675, 401102, 617080, 771350, 802204, 1002755, 1234160, 1542700, 1604408, 2005510, 3085400, 3208816, 4011020, 5013775, 6170800, 8022040, 10027550, 16044080, 20055100, 40110200, 80220400]

約数ペア:

[(1, 80220400), (2, 40110200), (4, 20055100), (5, 16044080), (8, 10027550), (10, 8022040), (13, 6170800), (16, 5013775), (20, 4011020), (25, 3208816), (26, 3085400), (40, 2005510), (50, 1604408), (52, 1542700), (65, 1234160), (80, 1002755), (100, 802204), (104, 771350), (130, 617080), (200, 401102), (208, 385675), (260, 308540), (325, 246832), (400, 200551), (520, 154270), (650, 123416), (1040, 77135), (1300, 61708), (2600, 30854), (5200, 15427)]