40940890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 75252240

約数和(自身を除く): 34311350

約数列:

[1, 2, 5, 10, 89, 157, 178, 293, 314, 445, 586, 785, 890, 1465, 1570, 2930, 13973, 26077, 27946, 46001, 52154, 69865, 92002, 130385, 139730, 230005, 260770, 460010, 4094089, 8188178, 20470445, 40940890]

約数ペア:

[(1, 40940890), (2, 20470445), (5, 8188178), (10, 4094089), (89, 460010), (157, 260770), (178, 230005), (293, 139730), (314, 130385), (445, 92002), (586, 69865), (785, 52154), (890, 46001), (1465, 27946), (1570, 26077), (2930, 13973)]