22147640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 52565760

約数和(自身を除く): 30418120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 337, 424, 530, 620, 674, 1060, 1240, 1348, 1643, 1685, 2120, 2696, 3286, 3370, 6572, 6740, 8215, 10447, 13144, 13480, 16430, 17861, 20894, 32860, 35722, 41788, 52235, 65720, 71444, 83576, 89305, 104470, 142888, 178610, 208940, 357220, 417880, 553691, 714440, 1107382, 2214764, 2768455, 4429528, 5536910, 11073820, 22147640]

約数ペア:

[(1, 22147640), (2, 11073820), (4, 5536910), (5, 4429528), (8, 2768455), (10, 2214764), (20, 1107382), (31, 714440), (40, 553691), (53, 417880), (62, 357220), (106, 208940), (124, 178610), (155, 142888), (212, 104470), (248, 89305), (265, 83576), (310, 71444), (337, 65720), (424, 52235), (530, 41788), (620, 35722), (674, 32860), (1060, 20894), (1240, 17861), (1348, 16430), (1643, 13480), (1685, 13144), (2120, 10447), (2696, 8215), (3286, 6740), (3370, 6572)]