25857490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 22042670

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 355, 395, 461, 710, 790, 922, 2305, 4610, 5609, 11218, 28045, 32731, 36419, 56090, 65462, 72838, 163655, 182095, 327310, 364190, 2585749, 5171498, 12928745, 25857490]

約数ペア:

[(1, 25857490), (2, 12928745), (5, 5171498), (10, 2585749), (71, 364190), (79, 327310), (142, 182095), (158, 163655), (355, 72838), (395, 65462), (461, 56090), (710, 36419), (790, 32731), (922, 28045), (2305, 11218), (4610, 5609)]