80145140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2203}}^1$

素因数の和:2336

約数の個数: 48

約数和(自身を含む): 179952192

約数和(自身を除く): 99807052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 535, 1070, 1819, 2140, 2203, 3638, 4406, 7276, 8812, 9095, 11015, 18190, 22030, 36380, 37451, 44060, 74902, 149804, 187255, 235721, 374510, 471442, 749020, 942884, 1178605, 2357210, 4007257, 4714420, 8014514, 16029028, 20036285, 40072570, 80145140]

約数ペア:

[(1, 80145140), (2, 40072570), (4, 20036285), (5, 16029028), (10, 8014514), (17, 4714420), (20, 4007257), (34, 2357210), (68, 1178605), (85, 942884), (107, 749020), (170, 471442), (214, 374510), (340, 235721), (428, 187255), (535, 149804), (1070, 74902), (1819, 44060), (2140, 37451), (2203, 36380), (3638, 22030), (4406, 18190), (7276, 11015), (8812, 9095)]