85685860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10631}}^1$

素因数の和:10684

約数の個数: 48

約数和(自身を含む): 200051712

約数和(自身を除く): 114365852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 10631, 21262, 42524, 53155, 106310, 138203, 212620, 276406, 329561, 552812, 659122, 691015, 1318244, 1382030, 1647805, 2764060, 3295610, 4284293, 6591220, 8568586, 17137172, 21421465, 42842930, 85685860]

約数ペア:

[(1, 85685860), (2, 42842930), (4, 21421465), (5, 17137172), (10, 8568586), (13, 6591220), (20, 4284293), (26, 3295610), (31, 2764060), (52, 1647805), (62, 1382030), (65, 1318244), (124, 691015), (130, 659122), (155, 552812), (260, 329561), (310, 276406), (403, 212620), (620, 138203), (806, 106310), (1612, 53155), (2015, 42524), (4030, 21262), (8060, 10631)]