87883900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1103

約数の個数: 72

約数和(自身を含む): 208649840

約数和(自身を除く): 120765940

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 67, 100, 130, 134, 260, 268, 325, 335, 650, 670, 871, 1009, 1300, 1340, 1675, 1742, 2018, 3350, 3484, 4036, 4355, 5045, 6700, 8710, 10090, 13117, 17420, 20180, 21775, 25225, 26234, 43550, 50450, 52468, 65585, 67603, 87100, 100900, 131170, 135206, 262340, 270412, 327925, 338015, 655850, 676030, 878839, 1311700, 1352060, 1690075, 1757678, 3380150, 3515356, 4394195, 6760300, 8788390, 17576780, 21970975, 43941950, 87883900]

約数ペア:

[(1, 87883900), (2, 43941950), (4, 21970975), (5, 17576780), (10, 8788390), (13, 6760300), (20, 4394195), (25, 3515356), (26, 3380150), (50, 1757678), (52, 1690075), (65, 1352060), (67, 1311700), (100, 878839), (130, 676030), (134, 655850), (260, 338015), (268, 327925), (325, 270412), (335, 262340), (650, 135206), (670, 131170), (871, 100900), (1009, 87100), (1300, 67603), (1340, 65585), (1675, 52468), (1742, 50450), (2018, 43550), (3350, 26234), (3484, 25225), (4036, 21775), (4355, 20180), (5045, 17420), (6700, 13117), (8710, 10090)]