1340415760

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{106721}}^1$

素因数の和:106891

約数の個数: 40

約数和(自身を含む): 3136346136

約数和(自身を除く): 1795930376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 106721, 213442, 426884, 533605, 853768, 1067210, 1707536, 2134420, 4268840, 8537680, 16755197, 33510394, 67020788, 83775985, 134041576, 167551970, 268083152, 335103940, 670207880, 1340415760]

約数ペア:

[(1, 1340415760), (2, 670207880), (4, 335103940), (5, 268083152), (8, 167551970), (10, 134041576), (16, 83775985), (20, 67020788), (40, 33510394), (80, 16755197), (157, 8537680), (314, 4268840), (628, 2134420), (785, 1707536), (1256, 1067210), (1570, 853768), (2512, 533605), (3140, 426884), (6280, 213442), (12560, 106721)]