25204020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9769}}^1$

素因数の和:9824

約数の個数: 48

約数和(自身を含む): 72219840

約数和(自身を除く): 47015820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 9769, 19538, 29307, 39076, 48845, 58614, 97690, 117228, 146535, 195380, 293070, 420067, 586140, 840134, 1260201, 1680268, 2100335, 2520402, 4200670, 5040804, 6301005, 8401340, 12602010, 25204020]

約数ペア:

[(1, 25204020), (2, 12602010), (3, 8401340), (4, 6301005), (5, 5040804), (6, 4200670), (10, 2520402), (12, 2100335), (15, 1680268), (20, 1260201), (30, 840134), (43, 586140), (60, 420067), (86, 293070), (129, 195380), (172, 146535), (215, 117228), (258, 97690), (430, 58614), (516, 48845), (645, 39076), (860, 29307), (1290, 19538), (2580, 9769)]