38905520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28607}}^1$

素因数の和:28637

約数の個数: 40

約数和(自身を含む): 95779584

約数和(自身を除く): 56874064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 28607, 57214, 114428, 143035, 228856, 286070, 457712, 486319, 572140, 972638, 1144280, 1945276, 2288560, 2431595, 3890552, 4863190, 7781104, 9726380, 19452760, 38905520]

約数ペア:

[(1, 38905520), (2, 19452760), (4, 9726380), (5, 7781104), (8, 4863190), (10, 3890552), (16, 2431595), (17, 2288560), (20, 1945276), (34, 1144280), (40, 972638), (68, 572140), (80, 486319), (85, 457712), (136, 286070), (170, 228856), (272, 143035), (340, 114428), (680, 57214), (1360, 28607)]