64970440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{56009}}^1$

素因数の和:56049

約数の個数: 32

約数和(自身を含む): 151227000

約数和(自身を除く): 86256560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 56009, 112018, 224036, 280045, 448072, 560090, 1120180, 1624261, 2240360, 3248522, 6497044, 8121305, 12994088, 16242610, 32485220, 64970440]

約数ペア:

[(1, 64970440), (2, 32485220), (4, 16242610), (5, 12994088), (8, 8121305), (10, 6497044), (20, 3248522), (29, 2240360), (40, 1624261), (58, 1120180), (116, 560090), (145, 448072), (232, 280045), (290, 224036), (580, 112018), (1160, 56009)]