39391840

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1289}}^1$

素因数の和:1495

約数の個数: 48

約数和(自身を含む): 93623040

約数和(自身を除く): 54231200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 764, 955, 1289, 1528, 1910, 2578, 3056, 3820, 5156, 6112, 6445, 7640, 10312, 12890, 15280, 20624, 25780, 30560, 41248, 51560, 103120, 206240, 246199, 492398, 984796, 1230995, 1969592, 2461990, 3939184, 4923980, 7878368, 9847960, 19695920, 39391840]

約数ペア:

[(1, 39391840), (2, 19695920), (4, 9847960), (5, 7878368), (8, 4923980), (10, 3939184), (16, 2461990), (20, 1969592), (32, 1230995), (40, 984796), (80, 492398), (160, 246199), (191, 206240), (382, 103120), (764, 51560), (955, 41248), (1289, 30560), (1528, 25780), (1910, 20624), (2578, 15280), (3056, 12890), (3820, 10312), (5156, 7640), (6112, 6445)]