25509560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21991}}^1$

素因数の和:22031

約数の個数: 32

約数和(自身を含む): 59378400

約数和(自身を除く): 33868840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 21991, 43982, 87964, 109955, 175928, 219910, 439820, 637739, 879640, 1275478, 2550956, 3188695, 5101912, 6377390, 12754780, 25509560]

約数ペア:

[(1, 25509560), (2, 12754780), (4, 6377390), (5, 5101912), (8, 3188695), (10, 2550956), (20, 1275478), (29, 879640), (40, 637739), (58, 439820), (116, 219910), (145, 175928), (232, 109955), (290, 87964), (580, 43982), (1160, 21991)]