26197060

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 56715120

約数和(自身を除く): 30518060

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 197, 218, 244, 305, 394, 436, 545, 610, 788, 985, 1090, 1220, 1970, 2180, 3940, 6649, 12017, 13298, 21473, 24034, 26596, 33245, 42946, 48068, 60085, 66490, 85892, 107365, 120170, 132980, 214730, 240340, 429460, 1309853, 2619706, 5239412, 6549265, 13098530, 26197060]

約数ペア:

[(1, 26197060), (2, 13098530), (4, 6549265), (5, 5239412), (10, 2619706), (20, 1309853), (61, 429460), (109, 240340), (122, 214730), (197, 132980), (218, 120170), (244, 107365), (305, 85892), (394, 66490), (436, 60085), (545, 48068), (610, 42946), (788, 33245), (985, 26596), (1090, 24034), (1220, 21473), (1970, 13298), (2180, 12017), (3940, 6649)]