161800540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{5791}}^1$

素因数の和:5938

約数の個数: 48

約数和(自身を含む): 373653504

約数和(自身を除く): 211852964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 1270, 1397, 2540, 2794, 5588, 5791, 6985, 11582, 13970, 23164, 27940, 28955, 57910, 63701, 115820, 127402, 254804, 318505, 637010, 735457, 1274020, 1470914, 2941828, 3677285, 7354570, 8090027, 14709140, 16180054, 32360108, 40450135, 80900270, 161800540]

約数ペア:

[(1, 161800540), (2, 80900270), (4, 40450135), (5, 32360108), (10, 16180054), (11, 14709140), (20, 8090027), (22, 7354570), (44, 3677285), (55, 2941828), (110, 1470914), (127, 1274020), (220, 735457), (254, 637010), (508, 318505), (635, 254804), (1270, 127402), (1397, 115820), (2540, 63701), (2794, 57910), (5588, 28955), (5791, 27940), (6985, 23164), (11582, 13970)]