28977860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{85229}}^1$

素因数の和:85255

約数の個数: 24

約数和(自身を含む): 64433880

約数和(自身を除く): 35456020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 85229, 170458, 340916, 426145, 852290, 1448893, 1704580, 2897786, 5795572, 7244465, 14488930, 28977860]

約数ペア:

[(1, 28977860), (2, 14488930), (4, 7244465), (5, 5795572), (10, 2897786), (17, 1704580), (20, 1448893), (34, 852290), (68, 426145), (85, 340916), (170, 170458), (340, 85229)]