42811000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1433

約数の個数: 64

約数和(自身を含む): 103484160

約数和(自身を除く): 60673160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 775, 1000, 1240, 1381, 1550, 2762, 3100, 3875, 5524, 6200, 6905, 7750, 11048, 13810, 15500, 27620, 31000, 34525, 42811, 55240, 69050, 85622, 138100, 171244, 172625, 214055, 276200, 342488, 345250, 428110, 690500, 856220, 1070275, 1381000, 1712440, 2140550, 4281100, 5351375, 8562200, 10702750, 21405500, 42811000]

約数ペア:

[(1, 42811000), (2, 21405500), (4, 10702750), (5, 8562200), (8, 5351375), (10, 4281100), (20, 2140550), (25, 1712440), (31, 1381000), (40, 1070275), (50, 856220), (62, 690500), (100, 428110), (124, 345250), (125, 342488), (155, 276200), (200, 214055), (248, 172625), (250, 171244), (310, 138100), (500, 85622), (620, 69050), (775, 55240), (1000, 42811), (1240, 34525), (1381, 31000), (1550, 27620), (2762, 15500), (3100, 13810), (3875, 11048), (5524, 7750), (6200, 6905)]