78826180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127139}}^1$

素因数の和:127179

約数の個数: 24

約数和(自身を含む): 170876160

約数和(自身を除く): 92049980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 127139, 254278, 508556, 635695, 1271390, 2542780, 3941309, 7882618, 15765236, 19706545, 39413090, 78826180]

約数ペア:

[(1, 78826180), (2, 39413090), (4, 19706545), (5, 15765236), (10, 7882618), (20, 3941309), (31, 2542780), (62, 1271390), (124, 635695), (155, 508556), (310, 254278), (620, 127139)]