22458980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 49215600

約数和(自身を除く): 26756620

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 449, 610, 820, 898, 1220, 1796, 2245, 2501, 4490, 5002, 8980, 10004, 12505, 18409, 25010, 27389, 36818, 50020, 54778, 73636, 92045, 109556, 136945, 184090, 273890, 368180, 547780, 1122949, 2245898, 4491796, 5614745, 11229490, 22458980]

約数ペア:

[(1, 22458980), (2, 11229490), (4, 5614745), (5, 4491796), (10, 2245898), (20, 1122949), (41, 547780), (61, 368180), (82, 273890), (122, 184090), (164, 136945), (205, 109556), (244, 92045), (305, 73636), (410, 54778), (449, 50020), (610, 36818), (820, 27389), (898, 25010), (1220, 18409), (1796, 12505), (2245, 10004), (2501, 8980), (4490, 5002)]