207983960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167729}}^1$

素因数の和:167771

約数の個数: 32

約数和(自身を含む): 483062400

約数和(自身を除く): 275078440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 167729, 335458, 670916, 838645, 1341832, 1677290, 3354580, 5199599, 6709160, 10399198, 20798396, 25997995, 41596792, 51995990, 103991980, 207983960]

約数ペア:

[(1, 207983960), (2, 103991980), (4, 51995990), (5, 41596792), (8, 25997995), (10, 20798396), (20, 10399198), (31, 6709160), (40, 5199599), (62, 3354580), (124, 1677290), (155, 1341832), (248, 838645), (310, 670916), (620, 335458), (1240, 167729)]