39867160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16339}}^1$

素因数の和:16411

約数の個数: 32

約数和(自身を含む): 91177200

約数和(自身を除く): 51310040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 16339, 32678, 65356, 81695, 130712, 163390, 326780, 653560, 996679, 1993358, 3986716, 4983395, 7973432, 9966790, 19933580, 39867160]

約数ペア:

[(1, 39867160), (2, 19933580), (4, 9966790), (5, 7973432), (8, 4983395), (10, 3986716), (20, 1993358), (40, 996679), (61, 653560), (122, 326780), (244, 163390), (305, 130712), (488, 81695), (610, 65356), (1220, 32678), (2440, 16339)]