87331250

素因数分解:

$2^1\times 5^5\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 166629960

約数和(自身を除く): 79298710

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 157, 178, 250, 314, 445, 625, 785, 890, 1250, 1570, 2225, 3125, 3925, 4450, 6250, 7850, 11125, 13973, 19625, 22250, 27946, 39250, 55625, 69865, 98125, 111250, 139730, 196250, 278125, 349325, 490625, 556250, 698650, 981250, 1746625, 3493250, 8733125, 17466250, 43665625, 87331250]

約数ペア:

[(1, 87331250), (2, 43665625), (5, 17466250), (10, 8733125), (25, 3493250), (50, 1746625), (89, 981250), (125, 698650), (157, 556250), (178, 490625), (250, 349325), (314, 278125), (445, 196250), (625, 139730), (785, 111250), (890, 98125), (1250, 69865), (1570, 55625), (2225, 39250), (3125, 27946), (3925, 22250), (4450, 19625), (6250, 13973), (7850, 11125)]