2016248240

素因数分解:

$2^4\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{20507}}^1$

素因数の和:21749

約数の個数: 40

約数和(自身を含む): 4691820240

約数和(自身を除く): 2675572000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1229, 2458, 4916, 6145, 9832, 12290, 19664, 20507, 24580, 41014, 49160, 82028, 98320, 102535, 164056, 205070, 328112, 410140, 820280, 1640560, 25203103, 50406206, 100812412, 126015515, 201624824, 252031030, 403249648, 504062060, 1008124120, 2016248240]

約数ペア:

[(1, 2016248240), (2, 1008124120), (4, 504062060), (5, 403249648), (8, 252031030), (10, 201624824), (16, 126015515), (20, 100812412), (40, 50406206), (80, 25203103), (1229, 1640560), (2458, 820280), (4916, 410140), (6145, 328112), (9832, 205070), (12290, 164056), (19664, 102535), (20507, 98320), (24580, 82028), (41014, 49160)]