28379480

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9719}}^1$

素因数の和:9803

約数の個数: 32

約数和(自身を含む): 64735200

約数和(自身を除く): 36355720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 9719, 19438, 38876, 48595, 77752, 97190, 194380, 388760, 709487, 1418974, 2837948, 3547435, 5675896, 7094870, 14189740, 28379480]

約数ペア:

[(1, 28379480), (2, 14189740), (4, 7094870), (5, 5675896), (8, 3547435), (10, 2837948), (20, 1418974), (40, 709487), (73, 388760), (146, 194380), (292, 97190), (365, 77752), (584, 48595), (730, 38876), (1460, 19438), (2920, 9719)]