207940840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{53593}}^1$

素因数の和:53701

約数の個数: 32

約数和(自身を含む): 472699080

約数和(自身を除く): 264758240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 53593, 107186, 214372, 267965, 428744, 535930, 1071860, 2143720, 5198521, 10397042, 20794084, 25992605, 41588168, 51985210, 103970420, 207940840]

約数ペア:

[(1, 207940840), (2, 103970420), (4, 51985210), (5, 41588168), (8, 25992605), (10, 20794084), (20, 10397042), (40, 5198521), (97, 2143720), (194, 1071860), (388, 535930), (485, 428744), (776, 267965), (970, 214372), (1940, 107186), (3880, 53593)]