425223760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{408869}}^1$

素因数の和:408895

約数の個数: 40

約数和(自身を含む): 1064697480

約数和(自身を除く): 639473720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 408869, 817738, 1635476, 2044345, 3270952, 4088690, 5315297, 6541904, 8177380, 10630594, 16354760, 21261188, 26576485, 32709520, 42522376, 53152970, 85044752, 106305940, 212611880, 425223760]

約数ペア:

[(1, 425223760), (2, 212611880), (4, 106305940), (5, 85044752), (8, 53152970), (10, 42522376), (13, 32709520), (16, 26576485), (20, 21261188), (26, 16354760), (40, 10630594), (52, 8177380), (65, 6541904), (80, 5315297), (104, 4088690), (130, 3270952), (208, 2044345), (260, 1635476), (520, 817738), (1040, 408869)]