42970420

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6491}}^1$

素因数の和:6831

約数の個数: 24

約数和(自身を含む): 90524448

約数和(自身を除く): 47554028

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6491, 6620, 12982, 25964, 32455, 64910, 129820, 2148521, 4297042, 8594084, 10742605, 21485210, 42970420]

約数ペア:

[(1, 42970420), (2, 21485210), (4, 10742605), (5, 8594084), (10, 4297042), (20, 2148521), (331, 129820), (662, 64910), (1324, 32455), (1655, 25964), (3310, 12982), (6491, 6620)]