80848000

素因数分解:

$2^7\times 5^3\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 208765440

約数和(自身を除く): 127917440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 163, 200, 248, 250, 310, 320, 326, 400, 496, 500, 620, 640, 652, 775, 800, 815, 992, 1000, 1240, 1304, 1550, 1600, 1630, 1984, 2000, 2480, 2608, 3100, 3200, 3260, 3875, 3968, 4000, 4075, 4960, 5053, 5216, 6200, 6520, 7750, 8000, 8150, 9920, 10106, 10432, 12400, 13040, 15500, 16000, 16300, 19840, 20212, 20375, 20864, 24800, 25265, 26080, 31000, 32600, 40424, 40750, 49600, 50530, 52160, 62000, 65200, 80848, 81500, 99200, 101060, 104320, 124000, 126325, 130400, 161696, 163000, 202120, 248000, 252650, 260800, 323392, 326000, 404240, 496000, 505300, 521600, 631625, 646784, 652000, 808480, 1010600, 1263250, 1304000, 1616960, 2021200, 2526500, 2608000, 3233920, 4042400, 5053000, 8084800, 10106000, 16169600, 20212000, 40424000, 80848000]

約数ペア:

[(1, 80848000), (2, 40424000), (4, 20212000), (5, 16169600), (8, 10106000), (10, 8084800), (16, 5053000), (20, 4042400), (25, 3233920), (31, 2608000), (32, 2526500), (40, 2021200), (50, 1616960), (62, 1304000), (64, 1263250), (80, 1010600), (100, 808480), (124, 652000), (125, 646784), (128, 631625), (155, 521600), (160, 505300), (163, 496000), (200, 404240), (248, 326000), (250, 323392), (310, 260800), (320, 252650), (326, 248000), (400, 202120), (496, 163000), (500, 161696), (620, 130400), (640, 126325), (652, 124000), (775, 104320), (800, 101060), (815, 99200), (992, 81500), (1000, 80848), (1240, 65200), (1304, 62000), (1550, 52160), (1600, 50530), (1630, 49600), (1984, 40750), (2000, 40424), (2480, 32600), (2608, 31000), (3100, 26080), (3200, 25265), (3260, 24800), (3875, 20864), (3968, 20375), (4000, 20212), (4075, 19840), (4960, 16300), (5053, 16000), (5216, 15500), (6200, 13040), (6520, 12400), (7750, 10432), (8000, 10106), (8150, 9920)]