40458320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10321}}^1$

素因数の和:10348

約数の個数: 60

約数和(自身を含む): 109433844

約数和(自身を除く): 68975524

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10321, 20642, 41284, 51605, 72247, 82568, 103210, 144494, 165136, 206420, 288988, 361235, 412840, 505729, 577976, 722470, 825680, 1011458, 1155952, 1444940, 2022916, 2528645, 2889880, 4045832, 5057290, 5779760, 8091664, 10114580, 20229160, 40458320]

約数ペア:

[(1, 40458320), (2, 20229160), (4, 10114580), (5, 8091664), (7, 5779760), (8, 5057290), (10, 4045832), (14, 2889880), (16, 2528645), (20, 2022916), (28, 1444940), (35, 1155952), (40, 1011458), (49, 825680), (56, 722470), (70, 577976), (80, 505729), (98, 412840), (112, 361235), (140, 288988), (196, 206420), (245, 165136), (280, 144494), (392, 103210), (490, 82568), (560, 72247), (784, 51605), (980, 41284), (1960, 20642), (3920, 10321)]