20216502560

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{757}}^1\times {\mathrm{2011}}^1$

素因数の和:2866

約数の個数: 96

約数和(自身を含む): 48424848192

約数和(自身を除く): 28208345632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 757, 830, 1328, 1514, 1660, 2011, 2656, 3028, 3320, 3785, 4022, 6056, 6640, 7570, 8044, 10055, 12112, 13280, 15140, 16088, 20110, 24224, 30280, 32176, 40220, 60560, 62831, 64352, 80440, 121120, 125662, 160880, 166913, 251324, 314155, 321760, 333826, 502648, 628310, 667652, 834565, 1005296, 1256620, 1335304, 1522327, 1669130, 2010592, 2513240, 2670608, 3044654, 3338260, 5026480, 5341216, 6089308, 6676520, 7611635, 10052960, 12178616, 13353040, 15223270, 24357232, 26706080, 30446540, 48714464, 60893080, 121786160, 126353141, 243572320, 252706282, 505412564, 631765705, 1010825128, 1263531410, 2021650256, 2527062820, 4043300512, 5054125640, 10108251280, 20216502560]

約数ペア:

[(1, 20216502560), (2, 10108251280), (4, 5054125640), (5, 4043300512), (8, 2527062820), (10, 2021650256), (16, 1263531410), (20, 1010825128), (32, 631765705), (40, 505412564), (80, 252706282), (83, 243572320), (160, 126353141), (166, 121786160), (332, 60893080), (415, 48714464), (664, 30446540), (757, 26706080), (830, 24357232), (1328, 15223270), (1514, 13353040), (1660, 12178616), (2011, 10052960), (2656, 7611635), (3028, 6676520), (3320, 6089308), (3785, 5341216), (4022, 5026480), (6056, 3338260), (6640, 3044654), (7570, 2670608), (8044, 2513240), (10055, 2010592), (12112, 1669130), (13280, 1522327), (15140, 1335304), (16088, 1256620), (20110, 1005296), (24224, 834565), (30280, 667652), (32176, 628310), (40220, 502648), (60560, 333826), (62831, 321760), (64352, 314155), (80440, 251324), (121120, 166913), (125662, 160880)]