85979660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{953}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 195211296

約数和(自身を除く): 109231636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347, 694, 953, 1388, 1735, 1906, 3470, 3812, 4511, 4765, 6940, 9022, 9530, 12389, 18044, 19060, 22555, 24778, 45110, 49556, 61945, 90220, 123890, 247780, 330691, 661382, 1322764, 1653455, 3306910, 4298983, 6613820, 8597966, 17195932, 21494915, 42989830, 85979660]

約数ペア:

[(1, 85979660), (2, 42989830), (4, 21494915), (5, 17195932), (10, 8597966), (13, 6613820), (20, 4298983), (26, 3306910), (52, 1653455), (65, 1322764), (130, 661382), (260, 330691), (347, 247780), (694, 123890), (953, 90220), (1388, 61945), (1735, 49556), (1906, 45110), (3470, 24778), (3812, 22555), (4511, 19060), (4765, 18044), (6940, 12389), (9022, 9530)]