90451360

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13147}}^1$

素因数の和:13205

約数の個数: 48

約数和(自身を含む): 218677536

約数和(自身を除く): 128226176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 13147, 26294, 52588, 65735, 105176, 131470, 210352, 262940, 420704, 525880, 565321, 1051760, 1130642, 2103520, 2261284, 2826605, 4522568, 5653210, 9045136, 11306420, 18090272, 22612840, 45225680, 90451360]

約数ペア:

[(1, 90451360), (2, 45225680), (4, 22612840), (5, 18090272), (8, 11306420), (10, 9045136), (16, 5653210), (20, 4522568), (32, 2826605), (40, 2261284), (43, 2103520), (80, 1130642), (86, 1051760), (160, 565321), (172, 525880), (215, 420704), (344, 262940), (430, 210352), (688, 131470), (860, 105176), (1376, 65735), (1720, 52588), (3440, 26294), (6880, 13147)]