64064620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{33023}}^1$

素因数の和:33129

約数の個数: 24

約数和(自身を含む): 135926784

約数和(自身を除く): 71862164

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 33023, 66046, 132092, 165115, 330230, 660460, 3203231, 6406462, 12812924, 16016155, 32032310, 64064620]

約数ペア:

[(1, 64064620), (2, 32032310), (4, 16016155), (5, 12812924), (10, 6406462), (20, 3203231), (97, 660460), (194, 330230), (388, 165115), (485, 132092), (970, 66046), (1940, 33023)]