80234420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1831}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 193283328

約数和(自身を除く): 113048908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 626, 1252, 1565, 1831, 2191, 3130, 3662, 4382, 6260, 7324, 8764, 9155, 10955, 12817, 18310, 21910, 25634, 36620, 43820, 51268, 64085, 128170, 256340, 573103, 1146206, 2292412, 2865515, 4011721, 5731030, 8023442, 11462060, 16046884, 20058605, 40117210, 80234420]

約数ペア:

[(1, 80234420), (2, 40117210), (4, 20058605), (5, 16046884), (7, 11462060), (10, 8023442), (14, 5731030), (20, 4011721), (28, 2865515), (35, 2292412), (70, 1146206), (140, 573103), (313, 256340), (626, 128170), (1252, 64085), (1565, 51268), (1831, 43820), (2191, 36620), (3130, 25634), (3662, 21910), (4382, 18310), (6260, 12817), (7324, 10955), (8764, 9155)]