73218920

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{3217}}^1$

素因数の和:3797

約数の個数: 32

約数和(自身を含む): 165083400

約数和(自身を除く): 91864480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 3217, 4552, 5690, 6434, 11380, 12868, 16085, 22760, 25736, 32170, 64340, 128680, 1830473, 3660946, 7321892, 9152365, 14643784, 18304730, 36609460, 73218920]

約数ペア:

[(1, 73218920), (2, 36609460), (4, 18304730), (5, 14643784), (8, 9152365), (10, 7321892), (20, 3660946), (40, 1830473), (569, 128680), (1138, 64340), (2276, 32170), (2845, 25736), (3217, 22760), (4552, 16085), (5690, 12868), (6434, 11380)]