99993260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{619}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 216548640

約数和(自身を除く): 116555380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 197, 205, 394, 410, 619, 788, 820, 985, 1238, 1970, 2476, 3095, 3940, 6190, 8077, 12380, 16154, 25379, 32308, 40385, 50758, 80770, 101516, 121943, 126895, 161540, 243886, 253790, 487772, 507580, 609715, 1219430, 2438860, 4999663, 9999326, 19998652, 24998315, 49996630, 99993260]

約数ペア:

[(1, 99993260), (2, 49996630), (4, 24998315), (5, 19998652), (10, 9999326), (20, 4999663), (41, 2438860), (82, 1219430), (164, 609715), (197, 507580), (205, 487772), (394, 253790), (410, 243886), (619, 161540), (788, 126895), (820, 121943), (985, 101516), (1238, 80770), (1970, 50758), (2476, 40385), (3095, 32308), (3940, 25379), (6190, 16154), (8077, 12380)]