16912840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8629}}^1$

素因数の和:8654

約数の個数: 48

約数和(自身を含む): 44271900

約数和(自身を除く): 27359060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8629, 17258, 34516, 43145, 60403, 69032, 86290, 120806, 172580, 241612, 302015, 345160, 422821, 483224, 604030, 845642, 1208060, 1691284, 2114105, 2416120, 3382568, 4228210, 8456420, 16912840]

約数ペア:

[(1, 16912840), (2, 8456420), (4, 4228210), (5, 3382568), (7, 2416120), (8, 2114105), (10, 1691284), (14, 1208060), (20, 845642), (28, 604030), (35, 483224), (40, 422821), (49, 345160), (56, 302015), (70, 241612), (98, 172580), (140, 120806), (196, 86290), (245, 69032), (280, 60403), (392, 43145), (490, 34516), (980, 17258), (1960, 8629)]