2171840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:645

約数の個数: 56

約数和(自身を含む): 5650992

約数和(自身を除く): 3479152

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 617, 704, 880, 1234, 1760, 2468, 3085, 3520, 4936, 6170, 6787, 9872, 12340, 13574, 19744, 24680, 27148, 33935, 39488, 49360, 54296, 67870, 98720, 108592, 135740, 197440, 217184, 271480, 434368, 542960, 1085920, 2171840]

約数ペア:

[(1, 2171840), (2, 1085920), (4, 542960), (5, 434368), (8, 271480), (10, 217184), (11, 197440), (16, 135740), (20, 108592), (22, 98720), (32, 67870), (40, 54296), (44, 49360), (55, 39488), (64, 33935), (80, 27148), (88, 24680), (110, 19744), (160, 13574), (176, 12340), (220, 9872), (320, 6787), (352, 6170), (440, 4936), (617, 3520), (704, 3085), (880, 2468), (1234, 1760)]