26000380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 65097648

約数和(自身を除く): 39097268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 617, 860, 980, 1204, 1234, 1505, 2107, 2468, 3010, 3085, 4214, 4319, 6020, 6170, 8428, 8638, 10535, 12340, 17276, 21070, 21595, 26531, 30233, 42140, 43190, 53062, 60466, 86380, 106124, 120932, 132655, 151165, 185717, 265310, 302330, 371434, 530620, 604660, 742868, 928585, 1300019, 1857170, 2600038, 3714340, 5200076, 6500095, 13000190, 26000380]

約数ペア:

[(1, 26000380), (2, 13000190), (4, 6500095), (5, 5200076), (7, 3714340), (10, 2600038), (14, 1857170), (20, 1300019), (28, 928585), (35, 742868), (43, 604660), (49, 530620), (70, 371434), (86, 302330), (98, 265310), (140, 185717), (172, 151165), (196, 132655), (215, 120932), (245, 106124), (301, 86380), (430, 60466), (490, 53062), (602, 43190), (617, 42140), (860, 30233), (980, 26531), (1204, 21595), (1234, 21070), (1505, 17276), (2107, 12340), (2468, 10535), (3010, 8638), (3085, 8428), (4214, 6170), (4319, 6020)]