15220816

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{433}}^1$

素因数の和:480

約数の個数: 40

約数和(自身を含む): 32020520

約数和(自身を除く): 16799704

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 433, 676, 866, 1352, 1732, 2197, 2704, 3464, 4394, 5629, 6928, 8788, 11258, 17576, 22516, 35152, 45032, 73177, 90064, 146354, 292708, 585416, 951301, 1170832, 1902602, 3805204, 7610408, 15220816]

約数ペア:

[(1, 15220816), (2, 7610408), (4, 3805204), (8, 1902602), (13, 1170832), (16, 951301), (26, 585416), (52, 292708), (104, 146354), (169, 90064), (208, 73177), (338, 45032), (433, 35152), (676, 22516), (866, 17576), (1352, 11258), (1732, 8788), (2197, 6928), (2704, 5629), (3464, 4394)]