80757280

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10739}}^1$

素因数の和:10801

約数の個数: 48

約数和(自身を含む): 194866560

約数和(自身を除く): 114109280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 7520, 10739, 21478, 42956, 53695, 85912, 107390, 171824, 214780, 343648, 429560, 504733, 859120, 1009466, 1718240, 2018932, 2523665, 4037864, 5047330, 8075728, 10094660, 16151456, 20189320, 40378640, 80757280]

約数ペア:

[(1, 80757280), (2, 40378640), (4, 20189320), (5, 16151456), (8, 10094660), (10, 8075728), (16, 5047330), (20, 4037864), (32, 2523665), (40, 2018932), (47, 1718240), (80, 1009466), (94, 859120), (160, 504733), (188, 429560), (235, 343648), (376, 214780), (470, 171824), (752, 107390), (940, 85912), (1504, 53695), (1880, 42956), (3760, 21478), (7520, 10739)]