40858000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:713

約数の個数: 80

約数和(自身を含む): 102136320

約数和(自身を除く): 61278320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 659, 775, 1000, 1240, 1318, 1550, 2000, 2480, 2636, 3100, 3295, 3875, 5272, 6200, 6590, 7750, 10544, 12400, 13180, 15500, 16475, 20429, 26360, 31000, 32950, 40858, 52720, 62000, 65900, 81716, 82375, 102145, 131800, 163432, 164750, 204290, 263600, 326864, 329500, 408580, 510725, 659000, 817160, 1021450, 1318000, 1634320, 2042900, 2553625, 4085800, 5107250, 8171600, 10214500, 20429000, 40858000]

約数ペア:

[(1, 40858000), (2, 20429000), (4, 10214500), (5, 8171600), (8, 5107250), (10, 4085800), (16, 2553625), (20, 2042900), (25, 1634320), (31, 1318000), (40, 1021450), (50, 817160), (62, 659000), (80, 510725), (100, 408580), (124, 329500), (125, 326864), (155, 263600), (200, 204290), (248, 164750), (250, 163432), (310, 131800), (400, 102145), (496, 82375), (500, 81716), (620, 65900), (659, 62000), (775, 52720), (1000, 40858), (1240, 32950), (1318, 31000), (1550, 26360), (2000, 20429), (2480, 16475), (2636, 15500), (3100, 13180), (3295, 12400), (3875, 10544), (5272, 7750), (6200, 6590)]