16875820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1450

約数の個数: 48

約数和(自身を含む): 39005568

約数和(自身を除く): 22129748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 1381, 2444, 2762, 3055, 5524, 6110, 6905, 12220, 13810, 17953, 27620, 35906, 64907, 71812, 89765, 129814, 179530, 259628, 324535, 359060, 649070, 843791, 1298140, 1687582, 3375164, 4218955, 8437910, 16875820]

約数ペア:

[(1, 16875820), (2, 8437910), (4, 4218955), (5, 3375164), (10, 1687582), (13, 1298140), (20, 843791), (26, 649070), (47, 359060), (52, 324535), (65, 259628), (94, 179530), (130, 129814), (188, 89765), (235, 71812), (260, 64907), (470, 35906), (611, 27620), (940, 17953), (1222, 13810), (1381, 12220), (2444, 6905), (2762, 6110), (3055, 5524)]