13465780

素因数分解:

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

素因数の和:664

約数の個数: 48

約数和(自身を含む): 30030336

約数和(自身を除く): 16564556

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 587, 620, 740, 1147, 1174, 2294, 2348, 2935, 4588, 5735, 5870, 11470, 11740, 18197, 21719, 22940, 36394, 43438, 72788, 86876, 90985, 108595, 181970, 217190, 363940, 434380, 673289, 1346578, 2693156, 3366445, 6732890, 13465780]

約数ペア:

[(1, 13465780), (2, 6732890), (4, 3366445), (5, 2693156), (10, 1346578), (20, 673289), (31, 434380), (37, 363940), (62, 217190), (74, 181970), (124, 108595), (148, 90985), (155, 86876), (185, 72788), (310, 43438), (370, 36394), (587, 22940), (620, 21719), (740, 18197), (1147, 11740), (1174, 11470), (2294, 5870), (2348, 5735), (2935, 4588)]