25479760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16763}}^1$

素因数の和:16795

約数の個数: 40

約数和(自身を含む): 62362080

約数和(自身を除く): 36882320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 16763, 33526, 67052, 83815, 134104, 167630, 268208, 318497, 335260, 636994, 670520, 1273988, 1341040, 1592485, 2547976, 3184970, 5095952, 6369940, 12739880, 25479760]

約数ペア:

[(1, 25479760), (2, 12739880), (4, 6369940), (5, 5095952), (8, 3184970), (10, 2547976), (16, 1592485), (19, 1341040), (20, 1273988), (38, 670520), (40, 636994), (76, 335260), (80, 318497), (95, 268208), (152, 167630), (190, 134104), (304, 83815), (380, 67052), (760, 33526), (1520, 16763)]