81843260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5821}}^1$

素因数の和:5886

約数の個数: 48

約数和(自身を含む): 185838240

約数和(自身を除く): 103994980

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 5821, 7030, 11642, 14060, 23284, 29105, 58210, 110599, 116420, 215377, 221198, 430754, 442396, 552995, 861508, 1076885, 1105990, 2153770, 2211980, 4092163, 4307540, 8184326, 16368652, 20460815, 40921630, 81843260]

約数ペア:

[(1, 81843260), (2, 40921630), (4, 20460815), (5, 16368652), (10, 8184326), (19, 4307540), (20, 4092163), (37, 2211980), (38, 2153770), (74, 1105990), (76, 1076885), (95, 861508), (148, 552995), (185, 442396), (190, 430754), (370, 221198), (380, 215377), (703, 116420), (740, 110599), (1406, 58210), (2812, 29105), (3515, 23284), (5821, 14060), (7030, 11642)]