77811040

素因数分解:

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

素因数の和:28639

約数の個数: 48

約数和(自身を含む): 194648832

約数和(自身を除く): 116837792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 28607, 57214, 114428, 143035, 228856, 286070, 457712, 486319, 572140, 915424, 972638, 1144280, 1945276, 2288560, 2431595, 3890552, 4577120, 4863190, 7781104, 9726380, 15562208, 19452760, 38905520, 77811040]

約数ペア:

[(1, 77811040), (2, 38905520), (4, 19452760), (5, 15562208), (8, 9726380), (10, 7781104), (16, 4863190), (17, 4577120), (20, 3890552), (32, 2431595), (34, 2288560), (40, 1945276), (68, 1144280), (80, 972638), (85, 915424), (136, 572140), (160, 486319), (170, 457712), (272, 286070), (340, 228856), (544, 143035), (680, 114428), (1360, 57214), (2720, 28607)]