77490920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149021}}^1$

素因数の和:149045

約数の個数: 32

約数和(自身を含む): 187767720

約数和(自身を除く): 110276800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 149021, 298042, 596084, 745105, 1192168, 1490210, 1937273, 2980420, 3874546, 5960840, 7749092, 9686365, 15498184, 19372730, 38745460, 77490920]

約数ペア:

[(1, 77490920), (2, 38745460), (4, 19372730), (5, 15498184), (8, 9686365), (10, 7749092), (13, 5960840), (20, 3874546), (26, 2980420), (40, 1937273), (52, 1490210), (65, 1192168), (104, 745105), (130, 596084), (260, 298042), (520, 149021)]