40636720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11813}}^1$

素因数の和:11869

約数の個数: 40

約数和(自身を含む): 96685776

約数和(自身を除く): 56049056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11813, 23626, 47252, 59065, 94504, 118130, 189008, 236260, 472520, 507959, 945040, 1015918, 2031836, 2539795, 4063672, 5079590, 8127344, 10159180, 20318360, 40636720]

約数ペア:

[(1, 40636720), (2, 20318360), (4, 10159180), (5, 8127344), (8, 5079590), (10, 4063672), (16, 2539795), (20, 2031836), (40, 1015918), (43, 945040), (80, 507959), (86, 472520), (172, 236260), (215, 189008), (344, 118130), (430, 94504), (688, 59065), (860, 47252), (1720, 23626), (3440, 11813)]