64738720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23801}}^1$

素因数の和:23833

約数の個数: 48

約数和(自身を含む): 161948808

約数和(自身を除く): 97210088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 23801, 47602, 95204, 119005, 190408, 238010, 380816, 404617, 476020, 761632, 809234, 952040, 1618468, 1904080, 2023085, 3236936, 3808160, 4046170, 6473872, 8092340, 12947744, 16184680, 32369360, 64738720]

約数ペア:

[(1, 64738720), (2, 32369360), (4, 16184680), (5, 12947744), (8, 8092340), (10, 6473872), (16, 4046170), (17, 3808160), (20, 3236936), (32, 2023085), (34, 1904080), (40, 1618468), (68, 952040), (80, 809234), (85, 761632), (136, 476020), (160, 404617), (170, 380816), (272, 238010), (340, 190408), (544, 119005), (680, 95204), (1360, 47602), (2720, 23801)]