72838640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{130069}}^1$

素因数の和:130089

約数の個数: 40

約数和(自身を含む): 193544160

約数和(自身を除く): 120705520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 130069, 260138, 520276, 650345, 910483, 1040552, 1300690, 1820966, 2081104, 2601380, 3641932, 4552415, 5202760, 7283864, 9104830, 10405520, 14567728, 18209660, 36419320, 72838640]

約数ペア:

[(1, 72838640), (2, 36419320), (4, 18209660), (5, 14567728), (7, 10405520), (8, 9104830), (10, 7283864), (14, 5202760), (16, 4552415), (20, 3641932), (28, 2601380), (35, 2081104), (40, 1820966), (56, 1300690), (70, 1040552), (80, 910483), (112, 650345), (140, 520276), (280, 260138), (560, 130069)]