71988400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{16361}}^1$

素因数の和:16390

約数の個数: 60

約数和(自身を含む): 188686584

約数和(自身を除く): 116698184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 16361, 32722, 65444, 81805, 130888, 163610, 179971, 261776, 327220, 359942, 409025, 654440, 719884, 818050, 899855, 1308880, 1439768, 1636100, 1799710, 2879536, 3272200, 3599420, 4499275, 6544400, 7198840, 8998550, 14397680, 17997100, 35994200, 71988400]

約数ペア:

[(1, 71988400), (2, 35994200), (4, 17997100), (5, 14397680), (8, 8998550), (10, 7198840), (11, 6544400), (16, 4499275), (20, 3599420), (22, 3272200), (25, 2879536), (40, 1799710), (44, 1636100), (50, 1439768), (55, 1308880), (80, 899855), (88, 818050), (100, 719884), (110, 654440), (176, 409025), (200, 359942), (220, 327220), (275, 261776), (400, 179971), (440, 163610), (550, 130888), (880, 81805), (1100, 65444), (2200, 32722), (4400, 16361)]