22413880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 52617600

約数和(自身を除く): 30203720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 158, 164, 173, 205, 316, 328, 346, 395, 410, 632, 692, 790, 820, 865, 1384, 1580, 1640, 1730, 3160, 3239, 3460, 6478, 6920, 7093, 12956, 13667, 14186, 16195, 25912, 27334, 28372, 32390, 35465, 54668, 56744, 64780, 68335, 70930, 109336, 129560, 136670, 141860, 273340, 283720, 546680, 560347, 1120694, 2241388, 2801735, 4482776, 5603470, 11206940, 22413880]

約数ペア:

[(1, 22413880), (2, 11206940), (4, 5603470), (5, 4482776), (8, 2801735), (10, 2241388), (20, 1120694), (40, 560347), (41, 546680), (79, 283720), (82, 273340), (158, 141860), (164, 136670), (173, 129560), (205, 109336), (316, 70930), (328, 68335), (346, 64780), (395, 56744), (410, 54668), (632, 35465), (692, 32390), (790, 28372), (820, 27334), (865, 25912), (1384, 16195), (1580, 14186), (1640, 13667), (1730, 12956), (3160, 7093), (3239, 6920), (3460, 6478)]