81397000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{3539}}^1$

素因数の和:3583

約数の個数: 64

約数和(自身を含む): 198806400

約数和(自身を除く): 117409400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 575, 920, 1000, 1150, 2300, 2875, 3539, 4600, 5750, 7078, 11500, 14156, 17695, 23000, 28312, 35390, 70780, 81397, 88475, 141560, 162794, 176950, 325588, 353900, 406985, 442375, 651176, 707800, 813970, 884750, 1627940, 1769500, 2034925, 3255880, 3539000, 4069850, 8139700, 10174625, 16279400, 20349250, 40698500, 81397000]

約数ペア:

[(1, 81397000), (2, 40698500), (4, 20349250), (5, 16279400), (8, 10174625), (10, 8139700), (20, 4069850), (23, 3539000), (25, 3255880), (40, 2034925), (46, 1769500), (50, 1627940), (92, 884750), (100, 813970), (115, 707800), (125, 651176), (184, 442375), (200, 406985), (230, 353900), (250, 325588), (460, 176950), (500, 162794), (575, 141560), (920, 88475), (1000, 81397), (1150, 70780), (2300, 35390), (2875, 28312), (3539, 23000), (4600, 17695), (5750, 14156), (7078, 11500)]