80825050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 159588000

約数和(自身を除く): 78762950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 149, 190, 298, 475, 571, 745, 950, 1142, 1490, 2831, 2855, 3725, 5662, 5710, 7450, 10849, 14155, 14275, 21698, 28310, 28550, 54245, 70775, 85079, 108490, 141550, 170158, 271225, 425395, 542450, 850790, 1616501, 2126975, 3233002, 4253950, 8082505, 16165010, 40412525, 80825050]

約数ペア:

[(1, 80825050), (2, 40412525), (5, 16165010), (10, 8082505), (19, 4253950), (25, 3233002), (38, 2126975), (50, 1616501), (95, 850790), (149, 542450), (190, 425395), (298, 271225), (475, 170158), (571, 141550), (745, 108490), (950, 85079), (1142, 70775), (1490, 54245), (2831, 28550), (2855, 28310), (3725, 21698), (5662, 14275), (5710, 14155), (7450, 10849)]