42549520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 107618112

約数和(自身を除く): 65068592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 251, 260, 326, 502, 520, 652, 815, 1004, 1040, 1255, 1304, 1630, 2008, 2119, 2510, 2608, 3260, 3263, 4016, 4238, 5020, 6520, 6526, 8476, 10040, 10595, 13040, 13052, 16315, 16952, 20080, 21190, 26104, 32630, 33904, 40913, 42380, 52208, 65260, 81826, 84760, 130520, 163652, 169520, 204565, 261040, 327304, 409130, 531869, 654608, 818260, 1063738, 1636520, 2127476, 2659345, 3273040, 4254952, 5318690, 8509904, 10637380, 21274760, 42549520]

約数ペア:

[(1, 42549520), (2, 21274760), (4, 10637380), (5, 8509904), (8, 5318690), (10, 4254952), (13, 3273040), (16, 2659345), (20, 2127476), (26, 1636520), (40, 1063738), (52, 818260), (65, 654608), (80, 531869), (104, 409130), (130, 327304), (163, 261040), (208, 204565), (251, 169520), (260, 163652), (326, 130520), (502, 84760), (520, 81826), (652, 65260), (815, 52208), (1004, 42380), (1040, 40913), (1255, 33904), (1304, 32630), (1630, 26104), (2008, 21190), (2119, 20080), (2510, 16952), (2608, 16315), (3260, 13052), (3263, 13040), (4016, 10595), (4238, 10040), (5020, 8476), (6520, 6526)]