352768520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{678401}}^1$

素因数の和:678425

約数の個数: 32

約数和(自身を含む): 854786520

約数和(自身を除く): 502018000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 678401, 1356802, 2713604, 3392005, 5427208, 6784010, 8819213, 13568020, 17638426, 27136040, 35276852, 44096065, 70553704, 88192130, 176384260, 352768520]

約数ペア:

[(1, 352768520), (2, 176384260), (4, 88192130), (5, 70553704), (8, 44096065), (10, 35276852), (13, 27136040), (20, 17638426), (26, 13568020), (40, 8819213), (52, 6784010), (65, 5427208), (104, 3392005), (130, 2713604), (260, 1356802), (520, 678401)]