84406180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{136139}}^1$

素因数の和:136179

約数の個数: 24

約数和(自身を含む): 182972160

約数和(自身を除く): 98565980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 136139, 272278, 544556, 680695, 1361390, 2722780, 4220309, 8440618, 16881236, 21101545, 42203090, 84406180]

約数ペア:

[(1, 84406180), (2, 42203090), (4, 21101545), (5, 16881236), (10, 8440618), (20, 4220309), (31, 2722780), (62, 1361390), (124, 680695), (155, 544556), (310, 272278), (620, 136139)]