40452280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1033}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 100504800

約数和(自身を除く): 60052520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1033, 1780, 1958, 2066, 3560, 3916, 4132, 4895, 5165, 7832, 8264, 9790, 10330, 11363, 19580, 20660, 22726, 39160, 41320, 45452, 56815, 90904, 91937, 113630, 183874, 227260, 367748, 454520, 459685, 735496, 919370, 1011307, 1838740, 2022614, 3677480, 4045228, 5056535, 8090456, 10113070, 20226140, 40452280]

約数ペア:

[(1, 40452280), (2, 20226140), (4, 10113070), (5, 8090456), (8, 5056535), (10, 4045228), (11, 3677480), (20, 2022614), (22, 1838740), (40, 1011307), (44, 919370), (55, 735496), (88, 459685), (89, 454520), (110, 367748), (178, 227260), (220, 183874), (356, 113630), (440, 91937), (445, 90904), (712, 56815), (890, 45452), (979, 41320), (1033, 39160), (1780, 22726), (1958, 20660), (2066, 19580), (3560, 11363), (3916, 10330), (4132, 9790), (4895, 8264), (5165, 7832)]