67663760

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4889}}^1$

素因数の和:5075

約数の個数: 40

約数和(自身を含む): 158259960

約数和(自身を除く): 90596200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 4889, 6920, 9778, 13840, 19556, 24445, 39112, 48890, 78224, 97780, 195560, 391120, 845797, 1691594, 3383188, 4228985, 6766376, 8457970, 13532752, 16915940, 33831880, 67663760]

約数ペア:

[(1, 67663760), (2, 33831880), (4, 16915940), (5, 13532752), (8, 8457970), (10, 6766376), (16, 4228985), (20, 3383188), (40, 1691594), (80, 845797), (173, 391120), (346, 195560), (692, 97780), (865, 78224), (1384, 48890), (1730, 39112), (2768, 24445), (3460, 19556), (4889, 13840), (6920, 9778)]