25580890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 22319270

約数列:

[1, 2, 5, 10, 31, 62, 155, 179, 310, 358, 461, 895, 922, 1790, 2305, 4610, 5549, 11098, 14291, 27745, 28582, 55490, 71455, 82519, 142910, 165038, 412595, 825190, 2558089, 5116178, 12790445, 25580890]

約数ペア:

[(1, 25580890), (2, 12790445), (5, 5116178), (10, 2558089), (31, 825190), (62, 412595), (155, 165038), (179, 142910), (310, 82519), (358, 71455), (461, 55490), (895, 28582), (922, 27745), (1790, 14291), (2305, 11098), (4610, 5549)]