4988302840

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{521789}}^1$

素因数の和:522039

約数の個数: 32

約数和(自身を含む): 11270664000

約数和(自身を除く): 6282361160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 521789, 1043578, 2087156, 2608945, 4174312, 5217890, 10435780, 20871560, 124707571, 249415142, 498830284, 623537855, 997660568, 1247075710, 2494151420, 4988302840]

約数ペア:

[(1, 4988302840), (2, 2494151420), (4, 1247075710), (5, 997660568), (8, 623537855), (10, 498830284), (20, 249415142), (40, 124707571), (239, 20871560), (478, 10435780), (956, 5217890), (1195, 4174312), (1912, 2608945), (2390, 2087156), (4780, 1043578), (9560, 521789)]