87890680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{7603}}^1$

素因数の和:7648

約数の個数: 48

約数和(自身を含む): 210098520

約数和(自身を除く): 122207840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 7603, 11560, 15206, 30412, 38015, 60824, 76030, 129251, 152060, 258502, 304120, 517004, 646255, 1034008, 1292510, 2197267, 2585020, 4394534, 5170040, 8789068, 10986335, 17578136, 21972670, 43945340, 87890680]

約数ペア:

[(1, 87890680), (2, 43945340), (4, 21972670), (5, 17578136), (8, 10986335), (10, 8789068), (17, 5170040), (20, 4394534), (34, 2585020), (40, 2197267), (68, 1292510), (85, 1034008), (136, 646255), (170, 517004), (289, 304120), (340, 258502), (578, 152060), (680, 129251), (1156, 76030), (1445, 60824), (2312, 38015), (2890, 30412), (5780, 15206), (7603, 11560)]