12928840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19013}}^1$

素因数の和:19041

約数の個数: 32

約数和(自身を含む): 30802680

約数和(自身を除く): 17873840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 19013, 38026, 76052, 95065, 152104, 190130, 323221, 380260, 646442, 760520, 1292884, 1616105, 2585768, 3232210, 6464420, 12928840]

約数ペア:

[(1, 12928840), (2, 6464420), (4, 3232210), (5, 2585768), (8, 1616105), (10, 1292884), (17, 760520), (20, 646442), (34, 380260), (40, 323221), (68, 190130), (85, 152104), (136, 95065), (170, 76052), (340, 38026), (680, 19013)]