2577980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1553}}^1$

素因数の和:1645

約数の個数: 24

約数和(自身を含む): 5482512

約数和(自身を除く): 2904532

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1553, 1660, 3106, 6212, 7765, 15530, 31060, 128899, 257798, 515596, 644495, 1288990, 2577980]

約数ペア:

[(1, 2577980), (2, 1288990), (4, 644495), (5, 515596), (10, 257798), (20, 128899), (83, 31060), (166, 15530), (332, 7765), (415, 6212), (830, 3106), (1553, 1660)]