39804620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 91753200

約数和(自身を除く): 51948580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 109, 124, 155, 190, 218, 310, 380, 436, 545, 589, 620, 961, 1090, 1178, 1922, 2071, 2180, 2356, 2945, 3379, 3844, 4142, 4805, 5890, 6758, 8284, 9610, 10355, 11780, 13516, 16895, 18259, 19220, 20710, 33790, 36518, 41420, 64201, 67580, 73036, 91295, 104749, 128402, 182590, 209498, 256804, 321005, 365180, 418996, 523745, 642010, 1047490, 1284020, 1990231, 2094980, 3980462, 7960924, 9951155, 19902310, 39804620]

約数ペア:

[(1, 39804620), (2, 19902310), (4, 9951155), (5, 7960924), (10, 3980462), (19, 2094980), (20, 1990231), (31, 1284020), (38, 1047490), (62, 642010), (76, 523745), (95, 418996), (109, 365180), (124, 321005), (155, 256804), (190, 209498), (218, 182590), (310, 128402), (380, 104749), (436, 91295), (545, 73036), (589, 67580), (620, 64201), (961, 41420), (1090, 36518), (1178, 33790), (1922, 20710), (2071, 19220), (2180, 18259), (2356, 16895), (2945, 13516), (3379, 11780), (3844, 10355), (4142, 9610), (4805, 8284), (5890, 6758)]