51824560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20897}}^1$

素因数の和:20941

約数の個数: 40

約数和(自身を含む): 124384896

約数和(自身を除く): 72560336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 20897, 41794, 83588, 104485, 167176, 208970, 334352, 417940, 647807, 835880, 1295614, 1671760, 2591228, 3239035, 5182456, 6478070, 10364912, 12956140, 25912280, 51824560]

約数ペア:

[(1, 51824560), (2, 25912280), (4, 12956140), (5, 10364912), (8, 6478070), (10, 5182456), (16, 3239035), (20, 2591228), (31, 1671760), (40, 1295614), (62, 835880), (80, 647807), (124, 417940), (155, 334352), (248, 208970), (310, 167176), (496, 104485), (620, 83588), (1240, 41794), (2480, 20897)]