55317860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1553}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 126097776

約数和(自身を除く): 70779916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1553, 1781, 2740, 3106, 3562, 6212, 7124, 7765, 8905, 15530, 17810, 20189, 31060, 35620, 40378, 80756, 100945, 201890, 212761, 403780, 425522, 851044, 1063805, 2127610, 2765893, 4255220, 5531786, 11063572, 13829465, 27658930, 55317860]

約数ペア:

[(1, 55317860), (2, 27658930), (4, 13829465), (5, 11063572), (10, 5531786), (13, 4255220), (20, 2765893), (26, 2127610), (52, 1063805), (65, 851044), (130, 425522), (137, 403780), (260, 212761), (274, 201890), (548, 100945), (685, 80756), (1370, 40378), (1553, 35620), (1781, 31060), (2740, 20189), (3106, 17810), (3562, 15530), (6212, 8905), (7124, 7765)]