32768020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 71442000

約数和(自身を除く): 38673980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 449, 820, 890, 898, 1780, 1796, 2245, 3649, 4490, 7298, 8980, 14596, 18245, 18409, 36490, 36818, 39961, 72980, 73636, 79922, 92045, 159844, 184090, 199805, 368180, 399610, 799220, 1638401, 3276802, 6553604, 8192005, 16384010, 32768020]

約数ペア:

[(1, 32768020), (2, 16384010), (4, 8192005), (5, 6553604), (10, 3276802), (20, 1638401), (41, 799220), (82, 399610), (89, 368180), (164, 199805), (178, 184090), (205, 159844), (356, 92045), (410, 79922), (445, 73636), (449, 72980), (820, 39961), (890, 36818), (898, 36490), (1780, 18409), (1796, 18245), (2245, 14596), (3649, 8980), (4490, 7298)]