236808520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{455401}}^1$

素因数の和:455425

約数の個数: 32

約数和(自身を含む): 573806520

約数和(自身を除く): 336998000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 455401, 910802, 1821604, 2277005, 3643208, 4554010, 5920213, 9108020, 11840426, 18216040, 23680852, 29601065, 47361704, 59202130, 118404260, 236808520]

約数ペア:

[(1, 236808520), (2, 118404260), (4, 59202130), (5, 47361704), (8, 29601065), (10, 23680852), (13, 18216040), (20, 11840426), (26, 9108020), (40, 5920213), (52, 4554010), (65, 3643208), (104, 2277005), (130, 1821604), (260, 910802), (520, 455401)]