72290480

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2887}}^1$

素因数の和:3213

約数の個数: 40

約数和(自身を含む): 168670752

約数和(自身を除く): 96380272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 2887, 3130, 5008, 5774, 6260, 11548, 12520, 14435, 23096, 25040, 28870, 46192, 57740, 115480, 230960, 903631, 1807262, 3614524, 4518155, 7229048, 9036310, 14458096, 18072620, 36145240, 72290480]

約数ペア:

[(1, 72290480), (2, 36145240), (4, 18072620), (5, 14458096), (8, 9036310), (10, 7229048), (16, 4518155), (20, 3614524), (40, 1807262), (80, 903631), (313, 230960), (626, 115480), (1252, 57740), (1565, 46192), (2504, 28870), (2887, 25040), (3130, 23096), (5008, 14435), (5774, 12520), (6260, 11548)]