78946640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58049}}^1$

素因数の和:58079

約数の個数: 40

約数和(自身を含む): 194351400

約数和(自身を除く): 115404760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 58049, 116098, 232196, 290245, 464392, 580490, 928784, 986833, 1160980, 1973666, 2321960, 3947332, 4643920, 4934165, 7894664, 9868330, 15789328, 19736660, 39473320, 78946640]

約数ペア:

[(1, 78946640), (2, 39473320), (4, 19736660), (5, 15789328), (8, 9868330), (10, 7894664), (16, 4934165), (17, 4643920), (20, 3947332), (34, 2321960), (40, 1973666), (68, 1160980), (80, 986833), (85, 928784), (136, 580490), (170, 464392), (272, 290245), (340, 232196), (680, 116098), (1360, 58049)]