53310920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{653}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 130198320

約数和(自身を除く): 76887400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 653, 785, 1256, 1306, 1570, 2041, 2612, 3140, 3265, 4082, 5224, 6280, 6530, 8164, 8489, 10205, 13060, 16328, 16978, 20410, 26120, 33956, 40820, 42445, 67912, 81640, 84890, 102521, 169780, 205042, 339560, 410084, 512605, 820168, 1025210, 1332773, 2050420, 2665546, 4100840, 5331092, 6663865, 10662184, 13327730, 26655460, 53310920]

約数ペア:

[(1, 53310920), (2, 26655460), (4, 13327730), (5, 10662184), (8, 6663865), (10, 5331092), (13, 4100840), (20, 2665546), (26, 2050420), (40, 1332773), (52, 1025210), (65, 820168), (104, 512605), (130, 410084), (157, 339560), (260, 205042), (314, 169780), (520, 102521), (628, 84890), (653, 81640), (785, 67912), (1256, 42445), (1306, 40820), (1570, 33956), (2041, 26120), (2612, 20410), (3140, 16978), (3265, 16328), (4082, 13060), (5224, 10205), (6280, 8489), (6530, 8164)]