31707040

素因数分解:

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

素因数の和:11689

約数の個数: 48

約数和(自身を含む): 79321032

約数和(自身を除く): 47613992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 11657, 23314, 46628, 58285, 93256, 116570, 186512, 198169, 233140, 373024, 396338, 466280, 792676, 932560, 990845, 1585352, 1865120, 1981690, 3170704, 3963380, 6341408, 7926760, 15853520, 31707040]

約数ペア:

[(1, 31707040), (2, 15853520), (4, 7926760), (5, 6341408), (8, 3963380), (10, 3170704), (16, 1981690), (17, 1865120), (20, 1585352), (32, 990845), (34, 932560), (40, 792676), (68, 466280), (80, 396338), (85, 373024), (136, 233140), (160, 198169), (170, 186512), (272, 116570), (340, 93256), (544, 58285), (680, 46628), (1360, 23314), (2720, 11657)]