40001830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 83317248

約数和(自身を除く): 43315418

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 97, 110, 115, 163, 194, 230, 253, 326, 485, 506, 815, 970, 1067, 1265, 1630, 1793, 2134, 2231, 2530, 3586, 3749, 4462, 5335, 7498, 8965, 10670, 11155, 15811, 17930, 18745, 22310, 24541, 31622, 37490, 41239, 49082, 79055, 82478, 122705, 158110, 173921, 206195, 245410, 347842, 363653, 412390, 727306, 869605, 1739210, 1818265, 3636530, 4000183, 8000366, 20000915, 40001830]

約数ペア:

[(1, 40001830), (2, 20000915), (5, 8000366), (10, 4000183), (11, 3636530), (22, 1818265), (23, 1739210), (46, 869605), (55, 727306), (97, 412390), (110, 363653), (115, 347842), (163, 245410), (194, 206195), (230, 173921), (253, 158110), (326, 122705), (485, 82478), (506, 79055), (815, 49082), (970, 41239), (1067, 37490), (1265, 31622), (1630, 24541), (1793, 22310), (2134, 18745), (2231, 17930), (2530, 15811), (3586, 11155), (3749, 10670), (4462, 8965), (5335, 7498)]