66748720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28771}}^1$

素因数の和:28813

約数の個数: 40

約数和(自身を含む): 160547760

約数和(自身を除く): 93799040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 28771, 57542, 115084, 143855, 230168, 287710, 460336, 575420, 834359, 1150840, 1668718, 2301680, 3337436, 4171795, 6674872, 8343590, 13349744, 16687180, 33374360, 66748720]

約数ペア:

[(1, 66748720), (2, 33374360), (4, 16687180), (5, 13349744), (8, 8343590), (10, 6674872), (16, 4171795), (20, 3337436), (29, 2301680), (40, 1668718), (58, 1150840), (80, 834359), (116, 575420), (145, 460336), (232, 287710), (290, 230168), (464, 143855), (580, 115084), (1160, 57542), (2320, 28771)]