26929840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2570

約数の個数: 80

約数和(自身を含む): 75352320

約数和(自身を除く): 48422480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2531, 2660, 5062, 5320, 10124, 10640, 12655, 17717, 20248, 25310, 35434, 40496, 48089, 50620, 70868, 88585, 96178, 101240, 141736, 177170, 192356, 202480, 240445, 283472, 336623, 354340, 384712, 480890, 673246, 708680, 769424, 961780, 1346492, 1417360, 1683115, 1923560, 2692984, 3366230, 3847120, 5385968, 6732460, 13464920, 26929840]

約数ペア:

[(1, 26929840), (2, 13464920), (4, 6732460), (5, 5385968), (7, 3847120), (8, 3366230), (10, 2692984), (14, 1923560), (16, 1683115), (19, 1417360), (20, 1346492), (28, 961780), (35, 769424), (38, 708680), (40, 673246), (56, 480890), (70, 384712), (76, 354340), (80, 336623), (95, 283472), (112, 240445), (133, 202480), (140, 192356), (152, 177170), (190, 141736), (266, 101240), (280, 96178), (304, 88585), (380, 70868), (532, 50620), (560, 48089), (665, 40496), (760, 35434), (1064, 25310), (1330, 20248), (1520, 17717), (2128, 12655), (2531, 10640), (2660, 10124), (5062, 5320)]