16128680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13007}}^1$

素因数の和:13049

約数の個数: 32

約数和(自身を含む): 37463040

約数和(自身を除く): 21334360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13007, 26014, 52028, 65035, 104056, 130070, 260140, 403217, 520280, 806434, 1612868, 2016085, 3225736, 4032170, 8064340, 16128680]

約数ペア:

[(1, 16128680), (2, 8064340), (4, 4032170), (5, 3225736), (8, 2016085), (10, 1612868), (20, 806434), (31, 520280), (40, 403217), (62, 260140), (124, 130070), (155, 104056), (248, 65035), (310, 52028), (620, 26014), (1240, 13007)]