28747040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25667}}^1$

素因数の和:25689

約数の個数: 48

約数和(自身を含む): 77620032

約数和(自身を除く): 48872992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25667, 51334, 102668, 128335, 179669, 205336, 256670, 359338, 410672, 513340, 718676, 821344, 898345, 1026680, 1437352, 1796690, 2053360, 2874704, 3593380, 4106720, 5749408, 7186760, 14373520, 28747040]

約数ペア:

[(1, 28747040), (2, 14373520), (4, 7186760), (5, 5749408), (7, 4106720), (8, 3593380), (10, 2874704), (14, 2053360), (16, 1796690), (20, 1437352), (28, 1026680), (32, 898345), (35, 821344), (40, 718676), (56, 513340), (70, 410672), (80, 359338), (112, 256670), (140, 205336), (160, 179669), (224, 128335), (280, 102668), (560, 51334), (1120, 25667)]