80710000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{1153}}^1$

素因数の和:1188

約数の個数: 100

約数和(自身を含む): 223515952

約数和(自身を除く): 142805952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 625, 700, 875, 1000, 1153, 1250, 1400, 1750, 2000, 2306, 2500, 2800, 3500, 4375, 4612, 5000, 5765, 7000, 8071, 8750, 9224, 10000, 11530, 14000, 16142, 17500, 18448, 23060, 28825, 32284, 35000, 40355, 46120, 57650, 64568, 70000, 80710, 92240, 115300, 129136, 144125, 161420, 201775, 230600, 288250, 322840, 403550, 461200, 576500, 645680, 720625, 807100, 1008875, 1153000, 1441250, 1614200, 2017750, 2306000, 2882500, 3228400, 4035500, 5044375, 5765000, 8071000, 10088750, 11530000, 16142000, 20177500, 40355000, 80710000]

約数ペア:

[(1, 80710000), (2, 40355000), (4, 20177500), (5, 16142000), (7, 11530000), (8, 10088750), (10, 8071000), (14, 5765000), (16, 5044375), (20, 4035500), (25, 3228400), (28, 2882500), (35, 2306000), (40, 2017750), (50, 1614200), (56, 1441250), (70, 1153000), (80, 1008875), (100, 807100), (112, 720625), (125, 645680), (140, 576500), (175, 461200), (200, 403550), (250, 322840), (280, 288250), (350, 230600), (400, 201775), (500, 161420), (560, 144125), (625, 129136), (700, 115300), (875, 92240), (1000, 80710), (1153, 70000), (1250, 64568), (1400, 57650), (1750, 46120), (2000, 40355), (2306, 35000), (2500, 32284), (2800, 28825), (3500, 23060), (4375, 18448), (4612, 17500), (5000, 16142), (5765, 14000), (7000, 11530), (8071, 10000), (8750, 9224)]