40968040

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1583}}^1$

素因数の和:2241

約数の個数: 32

約数和(自身を含む): 92378880

約数和(自身を除く): 51410840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 1583, 2588, 3166, 3235, 5176, 6332, 6470, 7915, 12664, 12940, 15830, 25880, 31660, 63320, 1024201, 2048402, 4096804, 5121005, 8193608, 10242010, 20484020, 40968040]

約数ペア:

[(1, 40968040), (2, 20484020), (4, 10242010), (5, 8193608), (8, 5121005), (10, 4096804), (20, 2048402), (40, 1024201), (647, 63320), (1294, 31660), (1583, 25880), (2588, 15830), (3166, 12940), (3235, 12664), (5176, 7915), (6332, 6470)]