80466820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1747}}^1$

素因数の和:1817

約数の個数: 72

約数和(自身を含む): 200866176

約数和(自身を除く): 120399356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 1747, 2303, 3290, 3494, 4606, 6580, 6988, 8735, 9212, 11515, 12229, 17470, 23030, 24458, 34940, 46060, 48916, 61145, 82109, 85603, 122290, 164218, 171206, 244580, 328436, 342412, 410545, 428015, 574763, 821090, 856030, 1149526, 1642180, 1712060, 2299052, 2873815, 4023341, 5747630, 8046682, 11495260, 16093364, 20116705, 40233410, 80466820]

約数ペア:

[(1, 80466820), (2, 40233410), (4, 20116705), (5, 16093364), (7, 11495260), (10, 8046682), (14, 5747630), (20, 4023341), (28, 2873815), (35, 2299052), (47, 1712060), (49, 1642180), (70, 1149526), (94, 856030), (98, 821090), (140, 574763), (188, 428015), (196, 410545), (235, 342412), (245, 328436), (329, 244580), (470, 171206), (490, 164218), (658, 122290), (940, 85603), (980, 82109), (1316, 61145), (1645, 48916), (1747, 46060), (2303, 34940), (3290, 24458), (3494, 23030), (4606, 17470), (6580, 12229), (6988, 11515), (8735, 9212)]