80222920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 186624000

約数和(自身を除く): 106401080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 79, 106, 158, 212, 265, 316, 395, 424, 479, 530, 632, 790, 958, 1060, 1580, 1916, 2120, 2395, 3160, 3832, 4187, 4790, 8374, 9580, 16748, 19160, 20935, 25387, 33496, 37841, 41870, 50774, 75682, 83740, 101548, 126935, 151364, 167480, 189205, 203096, 253870, 302728, 378410, 507740, 756820, 1015480, 1513640, 2005573, 4011146, 8022292, 10027865, 16044584, 20055730, 40111460, 80222920]

約数ペア:

[(1, 80222920), (2, 40111460), (4, 20055730), (5, 16044584), (8, 10027865), (10, 8022292), (20, 4011146), (40, 2005573), (53, 1513640), (79, 1015480), (106, 756820), (158, 507740), (212, 378410), (265, 302728), (316, 253870), (395, 203096), (424, 189205), (479, 167480), (530, 151364), (632, 126935), (790, 101548), (958, 83740), (1060, 75682), (1580, 50774), (1916, 41870), (2120, 37841), (2395, 33496), (3160, 25387), (3832, 20935), (4187, 19160), (4790, 16748), (8374, 9580)]