2000296880

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1\times {\mathrm{727}}^1$

素因数の和:1114

約数の個数: 80

約数和(自身を含む): 4707865344

約数和(自身を除く): 2707568464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 211, 326, 422, 652, 727, 815, 844, 1055, 1304, 1454, 1630, 1688, 2110, 2608, 2908, 3260, 3376, 3635, 4220, 5816, 6520, 7270, 8440, 11632, 13040, 14540, 16880, 29080, 34393, 58160, 68786, 118501, 137572, 153397, 171965, 237002, 275144, 306794, 343930, 474004, 550288, 592505, 613588, 687860, 766985, 948008, 1185010, 1227176, 1375720, 1533970, 1896016, 2370020, 2454352, 2751440, 3067940, 4740040, 6135880, 9480080, 12271760, 25003711, 50007422, 100014844, 125018555, 200029688, 250037110, 400059376, 500074220, 1000148440, 2000296880]

約数ペア:

[(1, 2000296880), (2, 1000148440), (4, 500074220), (5, 400059376), (8, 250037110), (10, 200029688), (16, 125018555), (20, 100014844), (40, 50007422), (80, 25003711), (163, 12271760), (211, 9480080), (326, 6135880), (422, 4740040), (652, 3067940), (727, 2751440), (815, 2454352), (844, 2370020), (1055, 1896016), (1304, 1533970), (1454, 1375720), (1630, 1227176), (1688, 1185010), (2110, 948008), (2608, 766985), (2908, 687860), (3260, 613588), (3376, 592505), (3635, 550288), (4220, 474004), (5816, 343930), (6520, 306794), (7270, 275144), (8440, 237002), (11632, 171965), (13040, 153397), (14540, 137572), (16880, 118501), (29080, 68786), (34393, 58160)]