72384520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139201}}^1$

素因数の和:139225

約数の個数: 32

約数和(自身を含む): 175394520

約数和(自身を除く): 103010000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 139201, 278402, 556804, 696005, 1113608, 1392010, 1809613, 2784020, 3619226, 5568040, 7238452, 9048065, 14476904, 18096130, 36192260, 72384520]

約数ペア:

[(1, 72384520), (2, 36192260), (4, 18096130), (5, 14476904), (8, 9048065), (10, 7238452), (13, 5568040), (20, 3619226), (26, 2784020), (40, 1809613), (52, 1392010), (65, 1113608), (104, 696005), (130, 556804), (260, 278402), (520, 139201)]