15691483940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3943}}^1\times {\mathrm{18089}}^1$

素因数の和:22052

約数の個数: 48

約数和(自身を含む): 35958867840

約数和(自身を除く): 20267383900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3943, 7886, 15772, 18089, 19715, 36178, 39430, 43373, 72356, 78860, 86746, 90445, 173492, 180890, 198979, 216865, 361780, 397958, 433730, 795916, 867460, 994895, 1989790, 3979580, 71324927, 142649854, 285299708, 356624635, 713249270, 784574197, 1426498540, 1569148394, 3138296788, 3922870985, 7845741970, 15691483940]

約数ペア:

[(1, 15691483940), (2, 7845741970), (4, 3922870985), (5, 3138296788), (10, 1569148394), (11, 1426498540), (20, 784574197), (22, 713249270), (44, 356624635), (55, 285299708), (110, 142649854), (220, 71324927), (3943, 3979580), (7886, 1989790), (15772, 994895), (18089, 867460), (19715, 795916), (36178, 433730), (39430, 397958), (43373, 361780), (72356, 216865), (78860, 198979), (86746, 180890), (90445, 173492)]