25704380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{907}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 58729440

約数和(自身を除く): 33025060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 907, 1090, 1417, 1814, 2180, 2834, 3628, 4535, 5668, 7085, 9070, 11791, 14170, 18140, 23582, 28340, 47164, 58955, 98863, 117910, 197726, 235820, 395452, 494315, 988630, 1285219, 1977260, 2570438, 5140876, 6426095, 12852190, 25704380]

約数ペア:

[(1, 25704380), (2, 12852190), (4, 6426095), (5, 5140876), (10, 2570438), (13, 1977260), (20, 1285219), (26, 988630), (52, 494315), (65, 395452), (109, 235820), (130, 197726), (218, 117910), (260, 98863), (436, 58955), (545, 47164), (907, 28340), (1090, 23582), (1417, 18140), (1814, 14170), (2180, 11791), (2834, 9070), (3628, 7085), (4535, 5668)]