40978000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{2927}}^1$

素因数の和:2957

約数の個数: 80

約数和(自身を含む): 113278464

約数和(自身を除く): 72300464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1750, 2000, 2800, 2927, 3500, 5854, 7000, 11708, 14000, 14635, 20489, 23416, 29270, 40978, 46832, 58540, 73175, 81956, 102445, 117080, 146350, 163912, 204890, 234160, 292700, 327824, 365875, 409780, 512225, 585400, 731750, 819560, 1024450, 1170800, 1463500, 1639120, 2048900, 2561125, 2927000, 4097800, 5122250, 5854000, 8195600, 10244500, 20489000, 40978000]

約数ペア:

[(1, 40978000), (2, 20489000), (4, 10244500), (5, 8195600), (7, 5854000), (8, 5122250), (10, 4097800), (14, 2927000), (16, 2561125), (20, 2048900), (25, 1639120), (28, 1463500), (35, 1170800), (40, 1024450), (50, 819560), (56, 731750), (70, 585400), (80, 512225), (100, 409780), (112, 365875), (125, 327824), (140, 292700), (175, 234160), (200, 204890), (250, 163912), (280, 146350), (350, 117080), (400, 102445), (500, 81956), (560, 73175), (700, 58540), (875, 46832), (1000, 40978), (1400, 29270), (1750, 23416), (2000, 20489), (2800, 14635), (2927, 14000), (3500, 11708), (5854, 7000)]