3968920040

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{415159}}^1$

素因数の和:415409

約数の個数: 32

約数和(自身を含む): 8967456000

約数和(自身を除く): 4998535960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 415159, 830318, 1660636, 2075795, 3321272, 4151590, 8303180, 16606360, 99223001, 198446002, 396892004, 496115005, 793784008, 992230010, 1984460020, 3968920040]

約数ペア:

[(1, 3968920040), (2, 1984460020), (4, 992230010), (5, 793784008), (8, 496115005), (10, 396892004), (20, 198446002), (40, 99223001), (239, 16606360), (478, 8303180), (956, 4151590), (1195, 3321272), (1912, 2075795), (2390, 1660636), (4780, 830318), (9560, 415159)]