78972560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24077}}^1$

素因数の和:24131

約数の個数: 40

約数和(自身を含む): 188097336

約数和(自身を除く): 109124776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 24077, 48154, 96308, 120385, 192616, 240770, 385232, 481540, 963080, 987157, 1926160, 1974314, 3948628, 4935785, 7897256, 9871570, 15794512, 19743140, 39486280, 78972560]

約数ペア:

[(1, 78972560), (2, 39486280), (4, 19743140), (5, 15794512), (8, 9871570), (10, 7897256), (16, 4935785), (20, 3948628), (40, 1974314), (41, 1926160), (80, 987157), (82, 963080), (164, 481540), (205, 385232), (328, 240770), (410, 192616), (656, 120385), (820, 96308), (1640, 48154), (3280, 24077)]