88627760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2806

約数の個数: 80

約数和(自身を含む): 229152000

約数和(自身を除く): 140524240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 2749, 3224, 4030, 5498, 6448, 8060, 10996, 13745, 16120, 21992, 27490, 32240, 35737, 43984, 54980, 71474, 85219, 109960, 142948, 170438, 178685, 219920, 285896, 340876, 357370, 426095, 571792, 681752, 714740, 852190, 1107847, 1363504, 1429480, 1704380, 2215694, 2858960, 3408760, 4431388, 5539235, 6817520, 8862776, 11078470, 17725552, 22156940, 44313880, 88627760]

約数ペア:

[(1, 88627760), (2, 44313880), (4, 22156940), (5, 17725552), (8, 11078470), (10, 8862776), (13, 6817520), (16, 5539235), (20, 4431388), (26, 3408760), (31, 2858960), (40, 2215694), (52, 1704380), (62, 1429480), (65, 1363504), (80, 1107847), (104, 852190), (124, 714740), (130, 681752), (155, 571792), (208, 426095), (248, 357370), (260, 340876), (310, 285896), (403, 219920), (496, 178685), (520, 170438), (620, 142948), (806, 109960), (1040, 85219), (1240, 71474), (1612, 54980), (2015, 43984), (2480, 35737), (2749, 32240), (3224, 27490), (4030, 21992), (5498, 16120), (6448, 13745), (8060, 10996)]