16006940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 35035392

約数和(自身を除く): 19028452

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 223, 370, 388, 446, 485, 740, 892, 970, 1115, 1940, 2230, 3589, 4460, 7178, 8251, 14356, 16502, 17945, 21631, 33004, 35890, 41255, 43262, 71780, 82510, 86524, 108155, 165020, 216310, 432620, 800347, 1600694, 3201388, 4001735, 8003470, 16006940]

約数ペア:

[(1, 16006940), (2, 8003470), (4, 4001735), (5, 3201388), (10, 1600694), (20, 800347), (37, 432620), (74, 216310), (97, 165020), (148, 108155), (185, 86524), (194, 82510), (223, 71780), (370, 43262), (388, 41255), (446, 35890), (485, 33004), (740, 21631), (892, 17945), (970, 16502), (1115, 14356), (1940, 8251), (2230, 7178), (3589, 4460)]