40488980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2111}}^1$

素因数の和:2264

約数の個数: 48

約数和(自身を含む): 97929216

約数和(自身を除く): 57440236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2111, 2740, 3836, 4222, 4795, 8444, 9590, 10555, 14777, 19180, 21110, 29554, 42220, 59108, 73885, 147770, 289207, 295540, 578414, 1156828, 1446035, 2024449, 2892070, 4048898, 5784140, 8097796, 10122245, 20244490, 40488980]

約数ペア:

[(1, 40488980), (2, 20244490), (4, 10122245), (5, 8097796), (7, 5784140), (10, 4048898), (14, 2892070), (20, 2024449), (28, 1446035), (35, 1156828), (70, 578414), (137, 295540), (140, 289207), (274, 147770), (548, 73885), (685, 59108), (959, 42220), (1370, 29554), (1918, 21110), (2111, 19180), (2740, 14777), (3836, 10555), (4222, 9590), (4795, 8444)]