65650520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 160151040

約数和(自身を除く): 94500520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 260, 382, 520, 661, 764, 955, 1322, 1528, 1910, 2483, 2644, 3305, 3820, 4966, 5288, 6610, 7640, 8593, 9932, 12415, 13220, 17186, 19864, 24830, 26440, 34372, 42965, 49660, 68744, 85930, 99320, 126251, 171860, 252502, 343720, 505004, 631255, 1010008, 1262510, 1641263, 2525020, 3282526, 5050040, 6565052, 8206315, 13130104, 16412630, 32825260, 65650520]

約数ペア:

[(1, 65650520), (2, 32825260), (4, 16412630), (5, 13130104), (8, 8206315), (10, 6565052), (13, 5050040), (20, 3282526), (26, 2525020), (40, 1641263), (52, 1262510), (65, 1010008), (104, 631255), (130, 505004), (191, 343720), (260, 252502), (382, 171860), (520, 126251), (661, 99320), (764, 85930), (955, 68744), (1322, 49660), (1528, 42965), (1910, 34372), (2483, 26440), (2644, 24830), (3305, 19864), (3820, 17186), (4966, 13220), (5288, 12415), (6610, 9932), (7640, 8593)]