65401040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2580

約数の個数: 80

約数和(自身を含む): 169542720

約数和(自身を除く): 104141680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2531, 2584, 3230, 5062, 5168, 6460, 10124, 12655, 12920, 20248, 25310, 25840, 40496, 43027, 48089, 50620, 86054, 96178, 101240, 172108, 192356, 202480, 215135, 240445, 344216, 384712, 430270, 480890, 688432, 769424, 817513, 860540, 961780, 1635026, 1721080, 1923560, 3270052, 3442160, 3847120, 4087565, 6540104, 8175130, 13080208, 16350260, 32700520, 65401040]

約数ペア:

[(1, 65401040), (2, 32700520), (4, 16350260), (5, 13080208), (8, 8175130), (10, 6540104), (16, 4087565), (17, 3847120), (19, 3442160), (20, 3270052), (34, 1923560), (38, 1721080), (40, 1635026), (68, 961780), (76, 860540), (80, 817513), (85, 769424), (95, 688432), (136, 480890), (152, 430270), (170, 384712), (190, 344216), (272, 240445), (304, 215135), (323, 202480), (340, 192356), (380, 172108), (646, 101240), (680, 96178), (760, 86054), (1292, 50620), (1360, 48089), (1520, 43027), (1615, 40496), (2531, 25840), (2584, 25310), (3230, 20248), (5062, 12920), (5168, 12655), (6460, 10124)]