28073420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23011}}^1$

素因数の和:23081

約数の個数: 24

約数和(自身を含む): 59923248

約数和(自身を除く): 31849828

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 23011, 46022, 92044, 115055, 230110, 460220, 1403671, 2807342, 5614684, 7018355, 14036710, 28073420]

約数ペア:

[(1, 28073420), (2, 14036710), (4, 7018355), (5, 5614684), (10, 2807342), (20, 1403671), (61, 460220), (122, 230110), (244, 115055), (305, 92044), (610, 46022), (1220, 23011)]