25443760

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{571}}^1$

素因数の和:1141

約数の個数: 40

約数和(自身を含む): 59366736

約数和(自身を除く): 33922976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 571, 1114, 1142, 2228, 2284, 2785, 2855, 4456, 4568, 5570, 5710, 8912, 9136, 11140, 11420, 22280, 22840, 44560, 45680, 318047, 636094, 1272188, 1590235, 2544376, 3180470, 5088752, 6360940, 12721880, 25443760]

約数ペア:

[(1, 25443760), (2, 12721880), (4, 6360940), (5, 5088752), (8, 3180470), (10, 2544376), (16, 1590235), (20, 1272188), (40, 636094), (80, 318047), (557, 45680), (571, 44560), (1114, 22840), (1142, 22280), (2228, 11420), (2284, 11140), (2785, 9136), (2855, 8912), (4456, 5710), (4568, 5570)]