101303920

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20759}}^1$

素因数の和:20833

約数の個数: 40

約数和(自身を含む): 239404320

約数和(自身を除く): 138100400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 20759, 41518, 83036, 103795, 166072, 207590, 332144, 415180, 830360, 1266299, 1660720, 2532598, 5065196, 6331495, 10130392, 12662990, 20260784, 25325980, 50651960, 101303920]

約数ペア:

[(1, 101303920), (2, 50651960), (4, 25325980), (5, 20260784), (8, 12662990), (10, 10130392), (16, 6331495), (20, 5065196), (40, 2532598), (61, 1660720), (80, 1266299), (122, 830360), (244, 415180), (305, 332144), (488, 207590), (610, 166072), (976, 103795), (1220, 83036), (2440, 41518), (4880, 20759)]