108798640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79999}}^1$

素因数の和:80029

約数の個数: 40

約数和(自身を含む): 267840000

約数和(自身を除く): 159041360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 79999, 159998, 319996, 399995, 639992, 799990, 1279984, 1359983, 1599980, 2719966, 3199960, 5439932, 6399920, 6799915, 10879864, 13599830, 21759728, 27199660, 54399320, 108798640]

約数ペア:

[(1, 108798640), (2, 54399320), (4, 27199660), (5, 21759728), (8, 13599830), (10, 10879864), (16, 6799915), (17, 6399920), (20, 5439932), (34, 3199960), (40, 2719966), (68, 1599980), (80, 1359983), (85, 1279984), (136, 799990), (170, 639992), (272, 399995), (340, 319996), (680, 159998), (1360, 79999)]