40890694

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 68584320

約数和(自身を除く): 27693626

約数列:

[1, 2, 13, 26, 41, 82, 89, 178, 431, 533, 862, 1066, 1157, 2314, 3649, 5603, 7298, 11206, 17671, 35342, 38359, 47437, 76718, 94874, 229723, 459446, 498667, 997334, 1572719, 3145438, 20445347, 40890694]

約数ペア:

[(1, 40890694), (2, 20445347), (13, 3145438), (26, 1572719), (41, 997334), (82, 498667), (89, 459446), (178, 229723), (431, 94874), (533, 76718), (862, 47437), (1066, 38359), (1157, 35342), (2314, 17671), (3649, 11206), (5603, 7298)]