135324920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109133}}^1$

素因数の和:109175

約数の個数: 32

約数和(自身を含む): 314305920

約数和(自身を除く): 178981000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 109133, 218266, 436532, 545665, 873064, 1091330, 2182660, 3383123, 4365320, 6766246, 13532492, 16915615, 27064984, 33831230, 67662460, 135324920]

約数ペア:

[(1, 135324920), (2, 67662460), (4, 33831230), (5, 27064984), (8, 16915615), (10, 13532492), (20, 6766246), (31, 4365320), (40, 3383123), (62, 2182660), (124, 1091330), (155, 873064), (248, 545665), (310, 436532), (620, 218266), (1240, 109133)]