80103440

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8861}}^1$

素因数の和:8987

約数の個数: 40

約数和(自身を含む): 187909848

約数和(自身を除く): 107806408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 8861, 9040, 17722, 35444, 44305, 70888, 88610, 141776, 177220, 354440, 708880, 1001293, 2002586, 4005172, 5006465, 8010344, 10012930, 16020688, 20025860, 40051720, 80103440]

約数ペア:

[(1, 80103440), (2, 40051720), (4, 20025860), (5, 16020688), (8, 10012930), (10, 8010344), (16, 5006465), (20, 4005172), (40, 2002586), (80, 1001293), (113, 708880), (226, 354440), (452, 177220), (565, 141776), (904, 88610), (1130, 70888), (1808, 44305), (2260, 35444), (4520, 17722), (8861, 9040)]