12643040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2549}}^1$

素因数の和:2595

約数の個数: 48

約数和(自身を含む): 30844800

約数和(自身を除く): 18201760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 2549, 4960, 5098, 10196, 12745, 20392, 25490, 40784, 50980, 79019, 81568, 101960, 158038, 203920, 316076, 395095, 407840, 632152, 790190, 1264304, 1580380, 2528608, 3160760, 6321520, 12643040]

約数ペア:

[(1, 12643040), (2, 6321520), (4, 3160760), (5, 2528608), (8, 1580380), (10, 1264304), (16, 790190), (20, 632152), (31, 407840), (32, 395095), (40, 316076), (62, 203920), (80, 158038), (124, 101960), (155, 81568), (160, 79019), (248, 50980), (310, 40784), (496, 25490), (620, 20392), (992, 12745), (1240, 10196), (2480, 5098), (2549, 4960)]