40020688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2801}}^1$

素因数の和:2875

約数の個数: 40

約数和(自身を含む): 83387520

約数和(自身を除く): 43366832

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 2801, 3572, 5602, 7144, 11204, 14288, 22408, 44816, 53219, 106438, 131647, 212876, 263294, 425752, 526588, 851504, 1053176, 2106352, 2501293, 5002586, 10005172, 20010344, 40020688]

約数ペア:

[(1, 40020688), (2, 20010344), (4, 10005172), (8, 5002586), (16, 2501293), (19, 2106352), (38, 1053176), (47, 851504), (76, 526588), (94, 425752), (152, 263294), (188, 212876), (304, 131647), (376, 106438), (752, 53219), (893, 44816), (1786, 22408), (2801, 14288), (3572, 11204), (5602, 7144)]