80021540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6793}}^1$

素因数の和:6852

約数の個数: 48

約数和(自身を含む): 182622720

約数和(自身を除く): 102601180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 6793, 11780, 13586, 27172, 33965, 67930, 129067, 135860, 210583, 258134, 421166, 516268, 645335, 842332, 1052915, 1290670, 2105830, 2581340, 4001077, 4211660, 8002154, 16004308, 20005385, 40010770, 80021540]

約数ペア:

[(1, 80021540), (2, 40010770), (4, 20005385), (5, 16004308), (10, 8002154), (19, 4211660), (20, 4001077), (31, 2581340), (38, 2105830), (62, 1290670), (76, 1052915), (95, 842332), (124, 645335), (155, 516268), (190, 421166), (310, 258134), (380, 210583), (589, 135860), (620, 129067), (1178, 67930), (2356, 33965), (2945, 27172), (5890, 13586), (6793, 11780)]