49964560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20147}}^1$

素因数の和:20191

約数の個数: 40

約数和(自身を含む): 119920896

約数和(自身を除く): 69956336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 20147, 40294, 80588, 100735, 161176, 201470, 322352, 402940, 624557, 805880, 1249114, 1611760, 2498228, 3122785, 4996456, 6245570, 9992912, 12491140, 24982280, 49964560]

約数ペア:

[(1, 49964560), (2, 24982280), (4, 12491140), (5, 9992912), (8, 6245570), (10, 4996456), (16, 3122785), (20, 2498228), (31, 1611760), (40, 1249114), (62, 805880), (80, 624557), (124, 402940), (155, 322352), (248, 201470), (310, 161176), (496, 100735), (620, 80588), (1240, 40294), (2480, 20147)]