13997920

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{983}}^1$

素因数の和:1087

約数の個数: 48

約数和(自身を含む): 33475680

約数和(自身を除く): 19477760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 983, 1424, 1780, 1966, 2848, 3560, 3932, 4915, 7120, 7864, 9830, 14240, 15728, 19660, 31456, 39320, 78640, 87487, 157280, 174974, 349948, 437435, 699896, 874870, 1399792, 1749740, 2799584, 3499480, 6998960, 13997920]

約数ペア:

[(1, 13997920), (2, 6998960), (4, 3499480), (5, 2799584), (8, 1749740), (10, 1399792), (16, 874870), (20, 699896), (32, 437435), (40, 349948), (80, 174974), (89, 157280), (160, 87487), (178, 78640), (356, 39320), (445, 31456), (712, 19660), (890, 15728), (983, 14240), (1424, 9830), (1780, 7864), (1966, 7120), (2848, 4915), (3560, 3932)]