72043660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{691}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 163572192

約数和(自身を除く): 91528532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 401, 691, 802, 1382, 1604, 2005, 2764, 3455, 4010, 5213, 6910, 8020, 8983, 10426, 13820, 17966, 20852, 26065, 35932, 44915, 52130, 89830, 104260, 179660, 277091, 554182, 1108364, 1385455, 2770910, 3602183, 5541820, 7204366, 14408732, 18010915, 36021830, 72043660]

約数ペア:

[(1, 72043660), (2, 36021830), (4, 18010915), (5, 14408732), (10, 7204366), (13, 5541820), (20, 3602183), (26, 2770910), (52, 1385455), (65, 1108364), (130, 554182), (260, 277091), (401, 179660), (691, 104260), (802, 89830), (1382, 52130), (1604, 44915), (2005, 35932), (2764, 26065), (3455, 20852), (4010, 17966), (5213, 13820), (6910, 10426), (8020, 8983)]