40378928

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:453

約数の個数: 40

約数和(自身を含む): 80161536

約数和(自身を除く): 39782608

約数列:

[1, 2, 4, 8, 16, 73, 146, 181, 191, 292, 362, 382, 584, 724, 764, 1168, 1448, 1528, 2896, 3056, 13213, 13943, 26426, 27886, 34571, 52852, 55772, 69142, 105704, 111544, 138284, 211408, 223088, 276568, 553136, 2523683, 5047366, 10094732, 20189464, 40378928]

約数ペア:

[(1, 40378928), (2, 20189464), (4, 10094732), (8, 5047366), (16, 2523683), (73, 553136), (146, 276568), (181, 223088), (191, 211408), (292, 138284), (362, 111544), (382, 105704), (584, 69142), (724, 55772), (764, 52852), (1168, 34571), (1448, 27886), (1528, 26426), (2896, 13943), (3056, 13213)]