40955680000

素因数分解:

$2^8\times 5^4\times {\mathrm{255973}}^1$

素因数の和:256009

約数の個数: 90

約数和(自身を含む): 102156919634

約数和(自身を除く): 61201239634

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 625, 640, 800, 1000, 1250, 1280, 1600, 2000, 2500, 3200, 4000, 5000, 6400, 8000, 10000, 16000, 20000, 32000, 40000, 80000, 160000, 255973, 511946, 1023892, 1279865, 2047784, 2559730, 4095568, 5119460, 6399325, 8191136, 10238920, 12798650, 16382272, 20477840, 25597300, 31996625, 32764544, 40955680, 51194600, 63993250, 65529088, 81911360, 102389200, 127986500, 159983125, 163822720, 204778400, 255973000, 319966250, 327645440, 409556800, 511946000, 639932500, 819113600, 1023892000, 1279865000, 1638227200, 2047784000, 2559730000, 4095568000, 5119460000, 8191136000, 10238920000, 20477840000, 40955680000]

約数ペア:

[(1, 40955680000), (2, 20477840000), (4, 10238920000), (5, 8191136000), (8, 5119460000), (10, 4095568000), (16, 2559730000), (20, 2047784000), (25, 1638227200), (32, 1279865000), (40, 1023892000), (50, 819113600), (64, 639932500), (80, 511946000), (100, 409556800), (125, 327645440), (128, 319966250), (160, 255973000), (200, 204778400), (250, 163822720), (256, 159983125), (320, 127986500), (400, 102389200), (500, 81911360), (625, 65529088), (640, 63993250), (800, 51194600), (1000, 40955680), (1250, 32764544), (1280, 31996625), (1600, 25597300), (2000, 20477840), (2500, 16382272), (3200, 12798650), (4000, 10238920), (5000, 8191136), (6400, 6399325), (8000, 5119460), (10000, 4095568), (16000, 2559730), (20000, 2047784), (32000, 1279865), (40000, 1023892), (80000, 511946), (160000, 255973)]