2057680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 60

約数和(自身を含む): 5139180

約数和(自身を除く): 3081500

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 289, 340, 356, 445, 578, 680, 712, 890, 1156, 1360, 1424, 1445, 1513, 1780, 2312, 2890, 3026, 3560, 4624, 5780, 6052, 7120, 7565, 11560, 12104, 15130, 23120, 24208, 25721, 30260, 51442, 60520, 102884, 121040, 128605, 205768, 257210, 411536, 514420, 1028840, 2057680]

約数ペア:

[(1, 2057680), (2, 1028840), (4, 514420), (5, 411536), (8, 257210), (10, 205768), (16, 128605), (17, 121040), (20, 102884), (34, 60520), (40, 51442), (68, 30260), (80, 25721), (85, 24208), (89, 23120), (136, 15130), (170, 12104), (178, 11560), (272, 7565), (289, 7120), (340, 6052), (356, 5780), (445, 4624), (578, 3560), (680, 3026), (712, 2890), (890, 2312), (1156, 1780), (1360, 1513), (1424, 1445)]