66169220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1621}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 150690288

約数和(自身を除く): 84521068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 1621, 2041, 3140, 3242, 4082, 6484, 8105, 8164, 10205, 16210, 20410, 21073, 32420, 40820, 42146, 84292, 105365, 210730, 254497, 421460, 508994, 1017988, 1272485, 2544970, 3308461, 5089940, 6616922, 13233844, 16542305, 33084610, 66169220]

約数ペア:

[(1, 66169220), (2, 33084610), (4, 16542305), (5, 13233844), (10, 6616922), (13, 5089940), (20, 3308461), (26, 2544970), (52, 1272485), (65, 1017988), (130, 508994), (157, 421460), (260, 254497), (314, 210730), (628, 105365), (785, 84292), (1570, 42146), (1621, 40820), (2041, 32420), (3140, 21073), (3242, 20410), (4082, 16210), (6484, 10205), (8105, 8164)]