40480880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 103680864

約数和(自身を除く): 63199984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 157, 176, 220, 293, 314, 440, 586, 628, 785, 880, 1172, 1256, 1465, 1570, 1727, 2344, 2512, 2930, 3140, 3223, 3454, 4688, 5860, 6280, 6446, 6908, 8635, 11720, 12560, 12892, 13816, 16115, 17270, 23440, 25784, 27632, 32230, 34540, 46001, 51568, 64460, 69080, 92002, 128920, 138160, 184004, 230005, 257840, 368008, 460010, 506011, 736016, 920020, 1012022, 1840040, 2024044, 2530055, 3680080, 4048088, 5060110, 8096176, 10120220, 20240440, 40480880]

約数ペア:

[(1, 40480880), (2, 20240440), (4, 10120220), (5, 8096176), (8, 5060110), (10, 4048088), (11, 3680080), (16, 2530055), (20, 2024044), (22, 1840040), (40, 1012022), (44, 920020), (55, 736016), (80, 506011), (88, 460010), (110, 368008), (157, 257840), (176, 230005), (220, 184004), (293, 138160), (314, 128920), (440, 92002), (586, 69080), (628, 64460), (785, 51568), (880, 46001), (1172, 34540), (1256, 32230), (1465, 27632), (1570, 25784), (1727, 23440), (2344, 17270), (2512, 16115), (2930, 13816), (3140, 12892), (3223, 12560), (3454, 11720), (4688, 8635), (5860, 6908), (6280, 6446)]