201612280

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{27847}}^1$

素因数の和:28039

約数の個数: 32

約数和(自身を含む): 456150240

約数和(自身を除く): 254537960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 27847, 55694, 111388, 139235, 222776, 278470, 556940, 1113880, 5040307, 10080614, 20161228, 25201535, 40322456, 50403070, 100806140, 201612280]

約数ペア:

[(1, 201612280), (2, 100806140), (4, 50403070), (5, 40322456), (8, 25201535), (10, 20161228), (20, 10080614), (40, 5040307), (181, 1113880), (362, 556940), (724, 278470), (905, 222776), (1448, 139235), (1810, 111388), (3620, 55694), (7240, 27847)]