79585840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 197799840

約数和(自身を除く): 118214000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 170, 272, 278, 340, 421, 556, 680, 695, 842, 1112, 1360, 1390, 1684, 2105, 2224, 2363, 2780, 3368, 4210, 4726, 5560, 6736, 7157, 8420, 9452, 11120, 11815, 14314, 16840, 18904, 23630, 28628, 33680, 35785, 37808, 47260, 57256, 58519, 71570, 94520, 114512, 117038, 143140, 189040, 234076, 286280, 292595, 468152, 572560, 585190, 936304, 994823, 1170380, 1989646, 2340760, 3979292, 4681520, 4974115, 7958584, 9948230, 15917168, 19896460, 39792920, 79585840]

約数ペア:

[(1, 79585840), (2, 39792920), (4, 19896460), (5, 15917168), (8, 9948230), (10, 7958584), (16, 4974115), (17, 4681520), (20, 3979292), (34, 2340760), (40, 1989646), (68, 1170380), (80, 994823), (85, 936304), (136, 585190), (139, 572560), (170, 468152), (272, 292595), (278, 286280), (340, 234076), (421, 189040), (556, 143140), (680, 117038), (695, 114512), (842, 94520), (1112, 71570), (1360, 58519), (1390, 57256), (1684, 47260), (2105, 37808), (2224, 35785), (2363, 33680), (2780, 28628), (3368, 23630), (4210, 18904), (4726, 16840), (5560, 14314), (6736, 11815), (7157, 11120), (8420, 9452)]