51741560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5237}}^1$

素因数の和:5280

約数の個数: 64

約数和(自身を含む): 131997600

約数和(自身を除く): 80256040

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 5237, 9880, 10474, 20948, 26185, 41896, 52370, 68081, 99503, 104740, 136162, 199006, 209480, 272324, 340405, 398012, 497515, 544648, 680810, 796024, 995030, 1293539, 1361620, 1990060, 2587078, 2723240, 3980120, 5174156, 6467695, 10348312, 12935390, 25870780, 51741560]

約数ペア:

[(1, 51741560), (2, 25870780), (4, 12935390), (5, 10348312), (8, 6467695), (10, 5174156), (13, 3980120), (19, 2723240), (20, 2587078), (26, 1990060), (38, 1361620), (40, 1293539), (52, 995030), (65, 796024), (76, 680810), (95, 544648), (104, 497515), (130, 398012), (152, 340405), (190, 272324), (247, 209480), (260, 199006), (380, 136162), (494, 104740), (520, 99503), (760, 68081), (988, 52370), (1235, 41896), (1976, 26185), (2470, 20948), (4940, 10474), (5237, 9880)]