80987872

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 191600640

約数和(自身を除く): 110612768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 107, 109, 112, 124, 214, 217, 218, 224, 248, 428, 434, 436, 496, 749, 763, 856, 868, 872, 992, 1498, 1526, 1712, 1736, 1744, 2996, 3052, 3317, 3379, 3424, 3472, 3488, 5992, 6104, 6634, 6758, 6944, 11663, 11984, 12208, 13268, 13516, 23219, 23326, 23653, 23968, 24416, 26536, 27032, 46438, 46652, 47306, 53072, 54064, 81641, 92876, 93304, 94612, 106144, 108128, 163282, 185752, 186608, 189224, 326564, 361553, 371504, 373216, 378448, 653128, 723106, 743008, 756896, 1306256, 1446212, 2530871, 2612512, 2892424, 5061742, 5784848, 10123484, 11569696, 20246968, 40493936, 80987872]

約数ペア:

[(1, 80987872), (2, 40493936), (4, 20246968), (7, 11569696), (8, 10123484), (14, 5784848), (16, 5061742), (28, 2892424), (31, 2612512), (32, 2530871), (56, 1446212), (62, 1306256), (107, 756896), (109, 743008), (112, 723106), (124, 653128), (214, 378448), (217, 373216), (218, 371504), (224, 361553), (248, 326564), (428, 189224), (434, 186608), (436, 185752), (496, 163282), (749, 108128), (763, 106144), (856, 94612), (868, 93304), (872, 92876), (992, 81641), (1498, 54064), (1526, 53072), (1712, 47306), (1736, 46652), (1744, 46438), (2996, 27032), (3052, 26536), (3317, 24416), (3379, 23968), (3424, 23653), (3472, 23326), (3488, 23219), (5992, 13516), (6104, 13268), (6634, 12208), (6758, 11984), (6944, 11663)]