51536540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3209}}^1$

素因数の和:3302

約数の個数: 48

約数和(自身を含む): 119720160

約数和(自身を除く): 68183620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3209, 3212, 4015, 6418, 8030, 12836, 16045, 16060, 32090, 35299, 64180, 70598, 141196, 176495, 234257, 352990, 468514, 705980, 937028, 1171285, 2342570, 2576827, 4685140, 5153654, 10307308, 12884135, 25768270, 51536540]

約数ペア:

[(1, 51536540), (2, 25768270), (4, 12884135), (5, 10307308), (10, 5153654), (11, 4685140), (20, 2576827), (22, 2342570), (44, 1171285), (55, 937028), (73, 705980), (110, 468514), (146, 352990), (220, 234257), (292, 176495), (365, 141196), (730, 70598), (803, 64180), (1460, 35299), (1606, 32090), (3209, 16060), (3212, 16045), (4015, 12836), (6418, 8030)]