78806240

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1831}}^1$

素因数の和:2115

約数の個数: 48

約数和(自身を含む): 186973920

約数和(自身を除く): 108167680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 1076, 1345, 1831, 2152, 2690, 3662, 4304, 5380, 7324, 8608, 9155, 10760, 14648, 18310, 21520, 29296, 36620, 43040, 58592, 73240, 146480, 292960, 492539, 985078, 1970156, 2462695, 3940312, 4925390, 7880624, 9850780, 15761248, 19701560, 39403120, 78806240]

約数ペア:

[(1, 78806240), (2, 39403120), (4, 19701560), (5, 15761248), (8, 9850780), (10, 7880624), (16, 4925390), (20, 3940312), (32, 2462695), (40, 1970156), (80, 985078), (160, 492539), (269, 292960), (538, 146480), (1076, 73240), (1345, 58592), (1831, 43040), (2152, 36620), (2690, 29296), (3662, 21520), (4304, 18310), (5380, 14648), (7324, 10760), (8608, 9155)]