42004720

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2749}}^1$

素因数の和:2953

約数の個数: 40

約数和(自身を含む): 98208000

約数和(自身を除く): 56203280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 2749, 3056, 3820, 5498, 7640, 10996, 13745, 15280, 21992, 27490, 43984, 54980, 109960, 219920, 525059, 1050118, 2100236, 2625295, 4200472, 5250590, 8400944, 10501180, 21002360, 42004720]

約数ペア:

[(1, 42004720), (2, 21002360), (4, 10501180), (5, 8400944), (8, 5250590), (10, 4200472), (16, 2625295), (20, 2100236), (40, 1050118), (80, 525059), (191, 219920), (382, 109960), (764, 54980), (955, 43984), (1528, 27490), (1910, 21992), (2749, 15280), (3056, 13745), (3820, 10996), (5498, 7640)]