202607840

素因数分解:

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

素因数の和:20835

約数の個数: 48

約数和(自身を含む): 486531360

約数和(自身を除く): 283923520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 20759, 41518, 83036, 103795, 166072, 207590, 332144, 415180, 664288, 830360, 1266299, 1660720, 2532598, 3321440, 5065196, 6331495, 10130392, 12662990, 20260784, 25325980, 40521568, 50651960, 101303920, 202607840]

約数ペア:

[(1, 202607840), (2, 101303920), (4, 50651960), (5, 40521568), (8, 25325980), (10, 20260784), (16, 12662990), (20, 10130392), (32, 6331495), (40, 5065196), (61, 3321440), (80, 2532598), (122, 1660720), (160, 1266299), (244, 830360), (305, 664288), (488, 415180), (610, 332144), (976, 207590), (1220, 166072), (1952, 103795), (2440, 83036), (4880, 41518), (9760, 20759)]