1399408040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2057953}}^1$

素因数の和:2057981

約数の個数: 32

約数和(自身を含む): 3333885480

約数和(自身を除く): 1934477440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2057953, 4115906, 8231812, 10289765, 16463624, 20579530, 34985201, 41159060, 69970402, 82318120, 139940804, 174926005, 279881608, 349852010, 699704020, 1399408040]

約数ペア:

[(1, 1399408040), (2, 699704020), (4, 349852010), (5, 279881608), (8, 174926005), (10, 139940804), (17, 82318120), (20, 69970402), (34, 41159060), (40, 34985201), (68, 20579530), (85, 16463624), (136, 10289765), (170, 8231812), (340, 4115906), (680, 2057953)]