26931560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 37419160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 587, 620, 740, 1147, 1174, 1240, 1480, 2294, 2348, 2935, 4588, 4696, 5735, 5870, 9176, 11470, 11740, 18197, 21719, 22940, 23480, 36394, 43438, 45880, 72788, 86876, 90985, 108595, 145576, 173752, 181970, 217190, 363940, 434380, 673289, 727880, 868760, 1346578, 2693156, 3366445, 5386312, 6732890, 13465780, 26931560]

約数ペア:

[(1, 26931560), (2, 13465780), (4, 6732890), (5, 5386312), (8, 3366445), (10, 2693156), (20, 1346578), (31, 868760), (37, 727880), (40, 673289), (62, 434380), (74, 363940), (124, 217190), (148, 181970), (155, 173752), (185, 145576), (248, 108595), (296, 90985), (310, 86876), (370, 72788), (587, 45880), (620, 43438), (740, 36394), (1147, 23480), (1174, 22940), (1240, 21719), (1480, 18197), (2294, 11740), (2348, 11470), (2935, 9176), (4588, 5870), (4696, 5735)]