25479160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90997}}^1$

素因数の和:91015

約数の個数: 32

約数和(自身を含む): 65518560

約数和(自身を除く): 40039400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90997, 181994, 363988, 454985, 636979, 727976, 909970, 1273958, 1819940, 2547916, 3184895, 3639880, 5095832, 6369790, 12739580, 25479160]

約数ペア:

[(1, 25479160), (2, 12739580), (4, 6369790), (5, 5095832), (7, 3639880), (8, 3184895), (10, 2547916), (14, 1819940), (20, 1273958), (28, 909970), (35, 727976), (40, 636979), (56, 454985), (70, 363988), (140, 181994), (280, 90997)]