80008480

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7043}}^1$

素因数の和:7129

約数の個数: 48

約数和(自身を含む): 191709504

約数和(自身を除く): 111701024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 7043, 11360, 14086, 28172, 35215, 56344, 70430, 112688, 140860, 225376, 281720, 500053, 563440, 1000106, 1126880, 2000212, 2500265, 4000424, 5000530, 8000848, 10001060, 16001696, 20002120, 40004240, 80008480]

約数ペア:

[(1, 80008480), (2, 40004240), (4, 20002120), (5, 16001696), (8, 10001060), (10, 8000848), (16, 5000530), (20, 4000424), (32, 2500265), (40, 2000212), (71, 1126880), (80, 1000106), (142, 563440), (160, 500053), (284, 281720), (355, 225376), (568, 140860), (710, 112688), (1136, 70430), (1420, 56344), (2272, 35215), (2840, 28172), (5680, 14086), (7043, 11360)]