68604880

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4957}}^1$

素因数の和:5143

約数の個数: 40

約数和(自身を含む): 160460712

約数和(自身を除く): 91855832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 4957, 6920, 9914, 13840, 19828, 24785, 39656, 49570, 79312, 99140, 198280, 396560, 857561, 1715122, 3430244, 4287805, 6860488, 8575610, 13720976, 17151220, 34302440, 68604880]

約数ペア:

[(1, 68604880), (2, 34302440), (4, 17151220), (5, 13720976), (8, 8575610), (10, 6860488), (16, 4287805), (20, 3430244), (40, 1715122), (80, 857561), (173, 396560), (346, 198280), (692, 99140), (865, 79312), (1384, 49570), (1730, 39656), (2768, 24785), (3460, 19828), (4957, 13840), (6920, 9914)]