22010840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 51701760

約数和(自身を除く): 29690920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 172, 191, 215, 268, 335, 344, 382, 430, 536, 670, 764, 860, 955, 1340, 1528, 1720, 1910, 2680, 2881, 3820, 5762, 7640, 8213, 11524, 12797, 14405, 16426, 23048, 25594, 28810, 32852, 41065, 51188, 57620, 63985, 65704, 82130, 102376, 115240, 127970, 164260, 255940, 328520, 511880, 550271, 1100542, 2201084, 2751355, 4402168, 5502710, 11005420, 22010840]

約数ペア:

[(1, 22010840), (2, 11005420), (4, 5502710), (5, 4402168), (8, 2751355), (10, 2201084), (20, 1100542), (40, 550271), (43, 511880), (67, 328520), (86, 255940), (134, 164260), (172, 127970), (191, 115240), (215, 102376), (268, 82130), (335, 65704), (344, 63985), (382, 57620), (430, 51188), (536, 41065), (670, 32852), (764, 28810), (860, 25594), (955, 23048), (1340, 16426), (1528, 14405), (1720, 12797), (1910, 11524), (2680, 8213), (2881, 7640), (3820, 5762)]