5457680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4013}}^1$

素因数の和:4043

約数の個数: 40

約数和(自身を含む): 13438872

約数和(自身を除く): 7981192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 4013, 8026, 16052, 20065, 32104, 40130, 64208, 68221, 80260, 136442, 160520, 272884, 321040, 341105, 545768, 682210, 1091536, 1364420, 2728840, 5457680]

約数ペア:

[(1, 5457680), (2, 2728840), (4, 1364420), (5, 1091536), (8, 682210), (10, 545768), (16, 341105), (17, 321040), (20, 272884), (34, 160520), (40, 136442), (68, 80260), (80, 68221), (85, 64208), (136, 40130), (170, 32104), (272, 20065), (340, 16052), (680, 8026), (1360, 4013)]