78167980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8263}}^1$

素因数の和:8326

約数の個数: 48

約数和(自身を含む): 183262464

約数和(自身を除く): 105094484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 8263, 9460, 16526, 33052, 41315, 82630, 90893, 165260, 181786, 355309, 363572, 454465, 710618, 908930, 1421236, 1776545, 1817860, 3553090, 3908399, 7106180, 7816798, 15633596, 19541995, 39083990, 78167980]

約数ペア:

[(1, 78167980), (2, 39083990), (4, 19541995), (5, 15633596), (10, 7816798), (11, 7106180), (20, 3908399), (22, 3553090), (43, 1817860), (44, 1776545), (55, 1421236), (86, 908930), (110, 710618), (172, 454465), (215, 363572), (220, 355309), (430, 181786), (473, 165260), (860, 90893), (946, 82630), (1892, 41315), (2365, 33052), (4730, 16526), (8263, 9460)]