12888500

素因数分解:

$2^2\times 5^3\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 28501200

約数和(自身を除く): 15612700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 149, 173, 250, 298, 346, 500, 596, 692, 745, 865, 1490, 1730, 2980, 3460, 3725, 4325, 7450, 8650, 14900, 17300, 18625, 21625, 25777, 37250, 43250, 51554, 74500, 86500, 103108, 128885, 257770, 515540, 644425, 1288850, 2577700, 3222125, 6444250, 12888500]

約数ペア:

[(1, 12888500), (2, 6444250), (4, 3222125), (5, 2577700), (10, 1288850), (20, 644425), (25, 515540), (50, 257770), (100, 128885), (125, 103108), (149, 86500), (173, 74500), (250, 51554), (298, 43250), (346, 37250), (500, 25777), (596, 21625), (692, 18625), (745, 17300), (865, 14900), (1490, 8650), (1730, 7450), (2980, 4325), (3460, 3725)]