51089480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5171}}^1$

素因数の和:5214

約数の個数: 64

約数和(自身を含む): 130334400

約数和(自身を除く): 79244920

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, 5171, 9880, 10342, 20684, 25855, 41368, 51710, 67223, 98249, 103420, 134446, 196498, 206840, 268892, 336115, 392996, 491245, 537784, 672230, 785992, 982490, 1277237, 1344460, 1964980, 2554474, 2688920, 3929960, 5108948, 6386185, 10217896, 12772370, 25544740, 51089480]

約数ペア:

[(1, 51089480), (2, 25544740), (4, 12772370), (5, 10217896), (8, 6386185), (10, 5108948), (13, 3929960), (19, 2688920), (20, 2554474), (26, 1964980), (38, 1344460), (40, 1277237), (52, 982490), (65, 785992), (76, 672230), (95, 537784), (104, 491245), (130, 392996), (152, 336115), (190, 268892), (247, 206840), (260, 196498), (380, 134446), (494, 103420), (520, 98249), (760, 67223), (988, 51710), (1235, 41368), (1976, 25855), (2470, 20684), (4940, 10342), (5171, 9880)]