13346440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 31881600

約数和(自身を除く): 18535160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 163, 178, 184, 230, 326, 356, 445, 460, 652, 712, 815, 890, 920, 1304, 1630, 1780, 2047, 3260, 3560, 3749, 4094, 6520, 7498, 8188, 10235, 14507, 14996, 16376, 18745, 20470, 29014, 29992, 37490, 40940, 58028, 72535, 74980, 81880, 116056, 145070, 149960, 290140, 333661, 580280, 667322, 1334644, 1668305, 2669288, 3336610, 6673220, 13346440]

約数ペア:

[(1, 13346440), (2, 6673220), (4, 3336610), (5, 2669288), (8, 1668305), (10, 1334644), (20, 667322), (23, 580280), (40, 333661), (46, 290140), (89, 149960), (92, 145070), (115, 116056), (163, 81880), (178, 74980), (184, 72535), (230, 58028), (326, 40940), (356, 37490), (445, 29992), (460, 29014), (652, 20470), (712, 18745), (815, 16376), (890, 14996), (920, 14507), (1304, 10235), (1630, 8188), (1780, 7498), (2047, 6520), (3260, 4094), (3560, 3749)]