28059580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1801}}^1$

素因数の和:1870

約数の個数: 48

約数和(自身を含む): 63574560

約数和(自身を除く): 35514980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 1801, 3116, 3602, 3895, 7204, 7790, 9005, 15580, 18010, 34219, 36020, 68438, 73841, 136876, 147682, 171095, 295364, 342190, 369205, 684380, 738410, 1402979, 1476820, 2805958, 5611916, 7014895, 14029790, 28059580]

約数ペア:

[(1, 28059580), (2, 14029790), (4, 7014895), (5, 5611916), (10, 2805958), (19, 1476820), (20, 1402979), (38, 738410), (41, 684380), (76, 369205), (82, 342190), (95, 295364), (164, 171095), (190, 147682), (205, 136876), (380, 73841), (410, 68438), (779, 36020), (820, 34219), (1558, 18010), (1801, 15580), (3116, 9005), (3602, 7790), (3895, 7204)]