40899860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{467}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 89631360

約数和(自身を除く): 48731500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 290, 302, 467, 580, 604, 755, 934, 1510, 1868, 2335, 3020, 4379, 4670, 8758, 9340, 13543, 17516, 21895, 27086, 43790, 54172, 67715, 70517, 87580, 135430, 141034, 270860, 282068, 352585, 705170, 1410340, 2044993, 4089986, 8179972, 10224965, 20449930, 40899860]

約数ペア:

[(1, 40899860), (2, 20449930), (4, 10224965), (5, 8179972), (10, 4089986), (20, 2044993), (29, 1410340), (58, 705170), (116, 352585), (145, 282068), (151, 270860), (290, 141034), (302, 135430), (467, 87580), (580, 70517), (604, 67715), (755, 54172), (934, 43790), (1510, 27086), (1868, 21895), (2335, 17516), (3020, 13543), (4379, 9340), (4670, 8758)]