25019800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9623}}^1$

素因数の和:9652

約数の個数: 48

約数和(自身を含む): 62652240

約数和(自身を除く): 37632440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 9623, 19246, 38492, 48115, 76984, 96230, 125099, 192460, 240575, 250198, 384920, 481150, 500396, 625495, 962300, 1000792, 1250990, 1924600, 2501980, 3127475, 5003960, 6254950, 12509900, 25019800]

約数ペア:

[(1, 25019800), (2, 12509900), (4, 6254950), (5, 5003960), (8, 3127475), (10, 2501980), (13, 1924600), (20, 1250990), (25, 1000792), (26, 962300), (40, 625495), (50, 500396), (52, 481150), (65, 384920), (100, 250198), (104, 240575), (130, 192460), (200, 125099), (260, 96230), (325, 76984), (520, 48115), (650, 38492), (1300, 19246), (2600, 9623)]