25988630

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 48176640

約数和(自身を除く): 22188010

約数列:

[1, 2, 5, 10, 67, 79, 134, 158, 335, 395, 491, 670, 790, 982, 2455, 4910, 5293, 10586, 26465, 32897, 38789, 52930, 65794, 77578, 164485, 193945, 328970, 387890, 2598863, 5197726, 12994315, 25988630]

約数ペア:

[(1, 25988630), (2, 12994315), (5, 5197726), (10, 2598863), (67, 387890), (79, 328970), (134, 193945), (158, 164485), (335, 77578), (395, 65794), (491, 52930), (670, 38789), (790, 32897), (982, 26465), (2455, 10586), (4910, 5293)]