20040446080

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1648063}}^1$

素因数の和:1648101

約数の個数: 64

約数和(自身を含む): 50430758400

約数和(自身を除く): 30390312320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 1648063, 3296126, 6592252, 8240315, 13184504, 16480630, 26369008, 31313197, 32961260, 52738016, 62626394, 65922520, 105476032, 125252788, 131845040, 156565985, 210952064, 250505576, 263690080, 313131970, 501011152, 527380160, 626263940, 1002022304, 1054760320, 1252527880, 2004044608, 2505055760, 4008089216, 5010111520, 10020223040, 20040446080]

約数ペア:

[(1, 20040446080), (2, 10020223040), (4, 5010111520), (5, 4008089216), (8, 2505055760), (10, 2004044608), (16, 1252527880), (19, 1054760320), (20, 1002022304), (32, 626263940), (38, 527380160), (40, 501011152), (64, 313131970), (76, 263690080), (80, 250505576), (95, 210952064), (128, 156565985), (152, 131845040), (160, 125252788), (190, 105476032), (304, 65922520), (320, 62626394), (380, 52738016), (608, 32961260), (640, 31313197), (760, 26369008), (1216, 16480630), (1520, 13184504), (2432, 8240315), (3040, 6592252), (6080, 3296126), (12160, 1648063)]