40648000

素因数分解:

$2^6\times 5^3\times {\mathrm{5081}}^1$

素因数の和:5108

約数の個数: 56

約数和(自身を含む): 100684584

約数和(自身を除く): 60036584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 5081, 8000, 10162, 20324, 25405, 40648, 50810, 81296, 101620, 127025, 162592, 203240, 254050, 325184, 406480, 508100, 635125, 812960, 1016200, 1270250, 1625920, 2032400, 2540500, 4064800, 5081000, 8129600, 10162000, 20324000, 40648000]

約数ペア:

[(1, 40648000), (2, 20324000), (4, 10162000), (5, 8129600), (8, 5081000), (10, 4064800), (16, 2540500), (20, 2032400), (25, 1625920), (32, 1270250), (40, 1016200), (50, 812960), (64, 635125), (80, 508100), (100, 406480), (125, 325184), (160, 254050), (200, 203240), (250, 162592), (320, 127025), (400, 101620), (500, 81296), (800, 50810), (1000, 40648), (1600, 25405), (2000, 20324), (4000, 10162), (5081, 8000)]