181856240

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{14479}}^1$

素因数の和:14649

約数の個数: 40

約数和(自身を含む): 425538240

約数和(自身を除く): 243682000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 14479, 28958, 57916, 72395, 115832, 144790, 231664, 289580, 579160, 1158320, 2273203, 4546406, 9092812, 11366015, 18185624, 22732030, 36371248, 45464060, 90928120, 181856240]

約数ペア:

[(1, 181856240), (2, 90928120), (4, 45464060), (5, 36371248), (8, 22732030), (10, 18185624), (16, 11366015), (20, 9092812), (40, 4546406), (80, 2273203), (157, 1158320), (314, 579160), (628, 289580), (785, 231664), (1256, 144790), (1570, 115832), (2512, 72395), (3140, 57916), (6280, 28958), (12560, 14479)]