68700880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9649}}^1$

素因数の和:9751

約数の個数: 40

約数和(自身を含む): 161541000

約数和(自身を除く): 92840120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 9649, 19298, 38596, 48245, 77192, 96490, 154384, 192980, 385960, 771920, 858761, 1717522, 3435044, 4293805, 6870088, 8587610, 13740176, 17175220, 34350440, 68700880]

約数ペア:

[(1, 68700880), (2, 34350440), (4, 17175220), (5, 13740176), (8, 8587610), (10, 6870088), (16, 4293805), (20, 3435044), (40, 1717522), (80, 858761), (89, 771920), (178, 385960), (356, 192980), (445, 154384), (712, 96490), (890, 77192), (1424, 48245), (1780, 38596), (3560, 19298), (7120, 9649)]