87589880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10091}}^1$

素因数の和:10140

約数の個数: 64

約数和(自身を含む): 232519680

約数和(自身を除く): 144929800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 10091, 20182, 40364, 50455, 70637, 80728, 100910, 141274, 201820, 282548, 312821, 353185, 403640, 565096, 625642, 706370, 1251284, 1412740, 1564105, 2189747, 2502568, 2825480, 3128210, 4379494, 6256420, 8758988, 10948735, 12512840, 17517976, 21897470, 43794940, 87589880]

約数ペア:

[(1, 87589880), (2, 43794940), (4, 21897470), (5, 17517976), (7, 12512840), (8, 10948735), (10, 8758988), (14, 6256420), (20, 4379494), (28, 3128210), (31, 2825480), (35, 2502568), (40, 2189747), (56, 1564105), (62, 1412740), (70, 1251284), (124, 706370), (140, 625642), (155, 565096), (217, 403640), (248, 353185), (280, 312821), (310, 282548), (434, 201820), (620, 141274), (868, 100910), (1085, 80728), (1240, 70637), (1736, 50455), (2170, 40364), (4340, 20182), (8680, 10091)]