72983440

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4091}}^1$

素因数の和:4327

約数の個数: 40

約数和(自身を含む): 170489088

約数和(自身を除く): 97505648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4091, 4460, 8182, 8920, 16364, 17840, 20455, 32728, 40910, 65456, 81820, 163640, 327280, 912293, 1824586, 3649172, 4561465, 7298344, 9122930, 14596688, 18245860, 36491720, 72983440]

約数ペア:

[(1, 72983440), (2, 36491720), (4, 18245860), (5, 14596688), (8, 9122930), (10, 7298344), (16, 4561465), (20, 3649172), (40, 1824586), (80, 912293), (223, 327280), (446, 163640), (892, 81820), (1115, 65456), (1784, 40910), (2230, 32728), (3568, 20455), (4091, 17840), (4460, 16364), (8182, 8920)]