139423960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{268123}}^1$

素因数の和:268147

約数の個数: 32

約数和(自身を含む): 337836240

約数和(自身を除く): 198412280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 268123, 536246, 1072492, 1340615, 2144984, 2681230, 3485599, 5362460, 6971198, 10724920, 13942396, 17427995, 27884792, 34855990, 69711980, 139423960]

約数ペア:

[(1, 139423960), (2, 69711980), (4, 34855990), (5, 27884792), (8, 17427995), (10, 13942396), (13, 10724920), (20, 6971198), (26, 5362460), (40, 3485599), (52, 2681230), (65, 2144984), (104, 1340615), (130, 1072492), (260, 536246), (520, 268123)]