25212100

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 57371328

約数和(自身を除く): 32159228

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 67, 71, 100, 106, 134, 142, 212, 265, 268, 284, 335, 355, 530, 670, 710, 1060, 1325, 1340, 1420, 1675, 1775, 2650, 3350, 3550, 3551, 3763, 4757, 5300, 6700, 7100, 7102, 7526, 9514, 14204, 15052, 17755, 18815, 19028, 23785, 35510, 37630, 47570, 71020, 75260, 88775, 94075, 95140, 118925, 177550, 188150, 237850, 252121, 355100, 376300, 475700, 504242, 1008484, 1260605, 2521210, 5042420, 6303025, 12606050, 25212100]

約数ペア:

[(1, 25212100), (2, 12606050), (4, 6303025), (5, 5042420), (10, 2521210), (20, 1260605), (25, 1008484), (50, 504242), (53, 475700), (67, 376300), (71, 355100), (100, 252121), (106, 237850), (134, 188150), (142, 177550), (212, 118925), (265, 95140), (268, 94075), (284, 88775), (335, 75260), (355, 71020), (530, 47570), (670, 37630), (710, 35510), (1060, 23785), (1325, 19028), (1340, 18815), (1420, 17755), (1675, 15052), (1775, 14204), (2650, 9514), (3350, 7526), (3550, 7102), (3551, 7100), (3763, 6700), (4757, 5300)]