25386620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1217}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 61387200

約数和(自身を除く): 36000580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1217, 1490, 2086, 2434, 2980, 4172, 4868, 5215, 6085, 8519, 10430, 12170, 17038, 20860, 24340, 34076, 42595, 85190, 170380, 181333, 362666, 725332, 906665, 1269331, 1813330, 2538662, 3626660, 5077324, 6346655, 12693310, 25386620]

約数ペア:

[(1, 25386620), (2, 12693310), (4, 6346655), (5, 5077324), (7, 3626660), (10, 2538662), (14, 1813330), (20, 1269331), (28, 906665), (35, 725332), (70, 362666), (140, 181333), (149, 170380), (298, 85190), (596, 42595), (745, 34076), (1043, 24340), (1217, 20860), (1490, 17038), (2086, 12170), (2434, 10430), (2980, 8519), (4172, 6085), (4868, 5215)]