15676720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11527}}^1$

素因数の和:11557

約数の個数: 40

約数和(自身を含む): 38595744

約数和(自身を除く): 22919024

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11527, 23054, 46108, 57635, 92216, 115270, 184432, 195959, 230540, 391918, 461080, 783836, 922160, 979795, 1567672, 1959590, 3135344, 3919180, 7838360, 15676720]

約数ペア:

[(1, 15676720), (2, 7838360), (4, 3919180), (5, 3135344), (8, 1959590), (10, 1567672), (16, 979795), (17, 922160), (20, 783836), (34, 461080), (40, 391918), (68, 230540), (80, 195959), (85, 184432), (136, 115270), (170, 92216), (272, 57635), (340, 46108), (680, 23054), (1360, 11527)]