12650720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4651}}^1$

素因数の和:4683

約数の個数: 48

約数和(自身を含む): 31652208

約数和(自身を除く): 19001488

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 4651, 9302, 18604, 23255, 37208, 46510, 74416, 79067, 93020, 148832, 158134, 186040, 316268, 372080, 395335, 632536, 744160, 790670, 1265072, 1581340, 2530144, 3162680, 6325360, 12650720]

約数ペア:

[(1, 12650720), (2, 6325360), (4, 3162680), (5, 2530144), (8, 1581340), (10, 1265072), (16, 790670), (17, 744160), (20, 632536), (32, 395335), (34, 372080), (40, 316268), (68, 186040), (80, 158134), (85, 148832), (136, 93020), (160, 79067), (170, 74416), (272, 46510), (340, 37208), (544, 23255), (680, 18604), (1360, 9302), (2720, 4651)]