12879200

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:984

約数の個数: 72

約数和(自身を含む): 33325992

約数和(自身を除く): 20446792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 680, 800, 850, 947, 1360, 1700, 1894, 2720, 3400, 3788, 4735, 6800, 7576, 9470, 13600, 15152, 16099, 18940, 23675, 30304, 32198, 37880, 47350, 64396, 75760, 80495, 94700, 128792, 151520, 160990, 189400, 257584, 321980, 378800, 402475, 515168, 643960, 757600, 804950, 1287920, 1609900, 2575840, 3219800, 6439600, 12879200]

約数ペア:

[(1, 12879200), (2, 6439600), (4, 3219800), (5, 2575840), (8, 1609900), (10, 1287920), (16, 804950), (17, 757600), (20, 643960), (25, 515168), (32, 402475), (34, 378800), (40, 321980), (50, 257584), (68, 189400), (80, 160990), (85, 151520), (100, 128792), (136, 94700), (160, 80495), (170, 75760), (200, 64396), (272, 47350), (340, 37880), (400, 32198), (425, 30304), (544, 23675), (680, 18940), (800, 16099), (850, 15152), (947, 13600), (1360, 9470), (1700, 7576), (1894, 6800), (2720, 4735), (3400, 3788)]