4245040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1129}}^1$

素因数の和:1189

約数の個数: 40

約数和(自身を含む): 10088640

約数和(自身を除く): 5843600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1129, 1880, 2258, 3760, 4516, 5645, 9032, 11290, 18064, 22580, 45160, 53063, 90320, 106126, 212252, 265315, 424504, 530630, 849008, 1061260, 2122520, 4245040]

約数ペア:

[(1, 4245040), (2, 2122520), (4, 1061260), (5, 849008), (8, 530630), (10, 424504), (16, 265315), (20, 212252), (40, 106126), (47, 90320), (80, 53063), (94, 45160), (188, 22580), (235, 18064), (376, 11290), (470, 9032), (752, 5645), (940, 4516), (1129, 3760), (1880, 2258)]