145177840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78901}}^1$

素因数の和:78937

約数の個数: 40

約数和(自身を含む): 352218528

約数和(自身を除く): 207040688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 78901, 157802, 315604, 394505, 631208, 789010, 1262416, 1578020, 1814723, 3156040, 3629446, 6312080, 7258892, 9073615, 14517784, 18147230, 29035568, 36294460, 72588920, 145177840]

約数ペア:

[(1, 145177840), (2, 72588920), (4, 36294460), (5, 29035568), (8, 18147230), (10, 14517784), (16, 9073615), (20, 7258892), (23, 6312080), (40, 3629446), (46, 3156040), (80, 1814723), (92, 1578020), (115, 1262416), (184, 789010), (230, 631208), (368, 394505), (460, 315604), (920, 157802), (1840, 78901)]