31364560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12647}}^1$

素因数の和:12691

約数の個数: 40

約数和(自身を含む): 75280896

約数和(自身を除く): 43916336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12647, 25294, 50588, 63235, 101176, 126470, 202352, 252940, 392057, 505880, 784114, 1011760, 1568228, 1960285, 3136456, 3920570, 6272912, 7841140, 15682280, 31364560]

約数ペア:

[(1, 31364560), (2, 15682280), (4, 7841140), (5, 6272912), (8, 3920570), (10, 3136456), (16, 1960285), (20, 1568228), (31, 1011760), (40, 784114), (62, 505880), (80, 392057), (124, 252940), (155, 202352), (248, 126470), (310, 101176), (496, 63235), (620, 50588), (1240, 25294), (2480, 12647)]