15853520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11657}}^1$

素因数の和:11687

約数の個数: 40

約数和(自身を含む): 39030984

約数和(自身を除く): 23177464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11657, 23314, 46628, 58285, 93256, 116570, 186512, 198169, 233140, 396338, 466280, 792676, 932560, 990845, 1585352, 1981690, 3170704, 3963380, 7926760, 15853520]

約数ペア:

[(1, 15853520), (2, 7926760), (4, 3963380), (5, 3170704), (8, 1981690), (10, 1585352), (16, 990845), (17, 932560), (20, 792676), (34, 466280), (40, 396338), (68, 233140), (80, 198169), (85, 186512), (136, 116570), (170, 93256), (272, 58285), (340, 46628), (680, 23314), (1360, 11657)]