29781498820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{983}}^1\times {\mathrm{36947}}^1$

素因数の和:37980

約数の個数: 48

約数和(自身を含む): 64133451648

約数和(自身を除く): 34351952828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 983, 1966, 3932, 4915, 9830, 19660, 36947, 40303, 73894, 80606, 147788, 161212, 184735, 201515, 369470, 403030, 738940, 806060, 1514827, 3029654, 6059308, 7574135, 15148270, 30296540, 36318901, 72637802, 145275604, 181594505, 363189010, 726378020, 1489074941, 2978149882, 5956299764, 7445374705, 14890749410, 29781498820]

約数ペア:

[(1, 29781498820), (2, 14890749410), (4, 7445374705), (5, 5956299764), (10, 2978149882), (20, 1489074941), (41, 726378020), (82, 363189010), (164, 181594505), (205, 145275604), (410, 72637802), (820, 36318901), (983, 30296540), (1966, 15148270), (3932, 7574135), (4915, 6059308), (9830, 3029654), (19660, 1514827), (36947, 806060), (40303, 738940), (73894, 403030), (80606, 369470), (147788, 201515), (161212, 184735)]