54722540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 118117440

約数和(自身を除く): 63394900

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 355, 356, 433, 445, 710, 866, 890, 1420, 1732, 1780, 2165, 4330, 6319, 8660, 12638, 25276, 30743, 31595, 38537, 61486, 63190, 77074, 122972, 126380, 153715, 154148, 192685, 307430, 385370, 614860, 770740, 2736127, 5472254, 10944508, 13680635, 27361270, 54722540]

約数ペア:

[(1, 54722540), (2, 27361270), (4, 13680635), (5, 10944508), (10, 5472254), (20, 2736127), (71, 770740), (89, 614860), (142, 385370), (178, 307430), (284, 192685), (355, 154148), (356, 153715), (433, 126380), (445, 122972), (710, 77074), (866, 63190), (890, 61486), (1420, 38537), (1732, 31595), (1780, 30743), (2165, 25276), (4330, 12638), (6319, 8660)]