42631960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{21751}}^1$

素因数の和:21776

約数の個数: 48

約数和(自身を含む): 111587760

約数和(自身を除く): 68955800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 21751, 43502, 87004, 108755, 152257, 174008, 217510, 304514, 435020, 609028, 761285, 870040, 1065799, 1218056, 1522570, 2131598, 3045140, 4263196, 5328995, 6090280, 8526392, 10657990, 21315980, 42631960]

約数ペア:

[(1, 42631960), (2, 21315980), (4, 10657990), (5, 8526392), (7, 6090280), (8, 5328995), (10, 4263196), (14, 3045140), (20, 2131598), (28, 1522570), (35, 1218056), (40, 1065799), (49, 870040), (56, 761285), (70, 609028), (98, 435020), (140, 304514), (196, 217510), (245, 174008), (280, 152257), (392, 108755), (490, 87004), (980, 43502), (1960, 21751)]