80723480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6983}}^1$

素因数の和:7028

約数の個数: 48

約数和(自身を含む): 192967920

約数和(自身を除く): 112244440

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, 6983, 11560, 13966, 27932, 34915, 55864, 69830, 118711, 139660, 237422, 279320, 474844, 593555, 949688, 1187110, 2018087, 2374220, 4036174, 4748440, 8072348, 10090435, 16144696, 20180870, 40361740, 80723480]

約数ペア:

[(1, 80723480), (2, 40361740), (4, 20180870), (5, 16144696), (8, 10090435), (10, 8072348), (17, 4748440), (20, 4036174), (34, 2374220), (40, 2018087), (68, 1187110), (85, 949688), (136, 593555), (170, 474844), (289, 279320), (340, 237422), (578, 139660), (680, 118711), (1156, 69830), (1445, 55864), (2312, 34915), (2890, 27932), (5780, 13966), (6983, 11560)]