40629280

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1289}}^1$

素因数の和:1501

約数の個数: 48

約数和(自身を含む): 96548760

約数和(自身を除く): 55919480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1289, 1576, 1970, 2578, 3152, 3940, 5156, 6304, 6445, 7880, 10312, 12890, 15760, 20624, 25780, 31520, 41248, 51560, 103120, 206240, 253933, 507866, 1015732, 1269665, 2031464, 2539330, 4062928, 5078660, 8125856, 10157320, 20314640, 40629280]

約数ペア:

[(1, 40629280), (2, 20314640), (4, 10157320), (5, 8125856), (8, 5078660), (10, 4062928), (16, 2539330), (20, 2031464), (32, 1269665), (40, 1015732), (80, 507866), (160, 253933), (197, 206240), (394, 103120), (788, 51560), (985, 41248), (1289, 31520), (1576, 25780), (1970, 20624), (2578, 15760), (3152, 12890), (3940, 10312), (5156, 7880), (6304, 6445)]