12992180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 28466256

約数和(自身を除く): 15474076

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 181, 185, 194, 362, 370, 388, 485, 724, 740, 905, 970, 1810, 1940, 3589, 3620, 6697, 7178, 13394, 14356, 17557, 17945, 26788, 33485, 35114, 35890, 66970, 70228, 71780, 87785, 133940, 175570, 351140, 649609, 1299218, 2598436, 3248045, 6496090, 12992180]

約数ペア:

[(1, 12992180), (2, 6496090), (4, 3248045), (5, 2598436), (10, 1299218), (20, 649609), (37, 351140), (74, 175570), (97, 133940), (148, 87785), (181, 71780), (185, 70228), (194, 66970), (362, 35890), (370, 35114), (388, 33485), (485, 26788), (724, 17945), (740, 17557), (905, 14356), (970, 13394), (1810, 7178), (1940, 6697), (3589, 3620)]