8045143540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{727409}}^1$

素因数の和:727504

約数の個数: 48

約数和(自身を含む): 19552780800

約数和(自身を除く): 11507637260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 727409, 1454818, 2909636, 3637045, 5091863, 7274090, 10183726, 14548180, 20367452, 25459315, 50918630, 57465311, 101837260, 114930622, 229861244, 287326555, 402257177, 574653110, 804514354, 1149306220, 1609028708, 2011285885, 4022571770, 8045143540]

約数ペア:

[(1, 8045143540), (2, 4022571770), (4, 2011285885), (5, 1609028708), (7, 1149306220), (10, 804514354), (14, 574653110), (20, 402257177), (28, 287326555), (35, 229861244), (70, 114930622), (79, 101837260), (140, 57465311), (158, 50918630), (316, 25459315), (395, 20367452), (553, 14548180), (790, 10183726), (1106, 7274090), (1580, 5091863), (2212, 3637045), (2765, 2909636), (5530, 1454818), (11060, 727409)]