31153520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22907}}^1$

素因数の和:22937

約数の個数: 40

約数和(自身を含む): 76695984

約数和(自身を除く): 45542464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22907, 45814, 91628, 114535, 183256, 229070, 366512, 389419, 458140, 778838, 916280, 1557676, 1832560, 1947095, 3115352, 3894190, 6230704, 7788380, 15576760, 31153520]

約数ペア:

[(1, 31153520), (2, 15576760), (4, 7788380), (5, 6230704), (8, 3894190), (10, 3115352), (16, 1947095), (17, 1832560), (20, 1557676), (34, 916280), (40, 778838), (68, 458140), (80, 389419), (85, 366512), (136, 229070), (170, 183256), (272, 114535), (340, 91628), (680, 45814), (1360, 22907)]