20101240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26449}}^1$

素因数の和:26479

約数の個数: 32

約数和(自身を含む): 47610000

約数和(自身を除く): 27508760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26449, 52898, 105796, 132245, 211592, 264490, 502531, 528980, 1005062, 1057960, 2010124, 2512655, 4020248, 5025310, 10050620, 20101240]

約数ペア:

[(1, 20101240), (2, 10050620), (4, 5025310), (5, 4020248), (8, 2512655), (10, 2010124), (19, 1057960), (20, 1005062), (38, 528980), (40, 502531), (76, 264490), (95, 211592), (152, 132245), (190, 105796), (380, 52898), (760, 26449)]