31216520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{33931}}^1$

素因数の和:33965

約数の個数: 32

約数和(自身を含む): 73293120

約数和(自身を除く): 42076600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 33931, 67862, 135724, 169655, 271448, 339310, 678620, 780413, 1357240, 1560826, 3121652, 3902065, 6243304, 7804130, 15608260, 31216520]

約数ペア:

[(1, 31216520), (2, 15608260), (4, 7804130), (5, 6243304), (8, 3902065), (10, 3121652), (20, 1560826), (23, 1357240), (40, 780413), (46, 678620), (92, 339310), (115, 271448), (184, 169655), (230, 135724), (460, 67862), (920, 33931)]