28909360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11657}}^1$

素因数の和:11701

約数の個数: 40

約数和(自身を含む): 69388416

約数和(自身を除く): 40479056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11657, 23314, 46628, 58285, 93256, 116570, 186512, 233140, 361367, 466280, 722734, 932560, 1445468, 1806835, 2890936, 3613670, 5781872, 7227340, 14454680, 28909360]

約数ペア:

[(1, 28909360), (2, 14454680), (4, 7227340), (5, 5781872), (8, 3613670), (10, 2890936), (16, 1806835), (20, 1445468), (31, 932560), (40, 722734), (62, 466280), (80, 361367), (124, 233140), (155, 186512), (248, 116570), (310, 93256), (496, 58285), (620, 46628), (1240, 23314), (2480, 11657)]