28211860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45503}}^1$

素因数の和:45543

約数の個数: 24

約数和(自身を含む): 61157376

約数和(自身を除く): 32945516

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45503, 91006, 182012, 227515, 455030, 910060, 1410593, 2821186, 5642372, 7052965, 14105930, 28211860]

約数ペア:

[(1, 28211860), (2, 14105930), (4, 7052965), (5, 5642372), (10, 2821186), (20, 1410593), (31, 910060), (62, 455030), (124, 227515), (155, 182012), (310, 91006), (620, 45503)]