51954320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1440

約数の個数: 80

約数和(自身を含む): 134937792

約数和(自身を除く): 82983472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1373, 1720, 1892, 2365, 2746, 3440, 3784, 4730, 5492, 6865, 7568, 9460, 10984, 13730, 15103, 18920, 21968, 27460, 30206, 37840, 54920, 59039, 60412, 75515, 109840, 118078, 120824, 151030, 236156, 241648, 295195, 302060, 472312, 590390, 604120, 649429, 944624, 1180780, 1208240, 1298858, 2361560, 2597716, 3247145, 4723120, 5195432, 6494290, 10390864, 12988580, 25977160, 51954320]

約数ペア:

[(1, 51954320), (2, 25977160), (4, 12988580), (5, 10390864), (8, 6494290), (10, 5195432), (11, 4723120), (16, 3247145), (20, 2597716), (22, 2361560), (40, 1298858), (43, 1208240), (44, 1180780), (55, 944624), (80, 649429), (86, 604120), (88, 590390), (110, 472312), (172, 302060), (176, 295195), (215, 241648), (220, 236156), (344, 151030), (430, 120824), (440, 118078), (473, 109840), (688, 75515), (860, 60412), (880, 59039), (946, 54920), (1373, 37840), (1720, 30206), (1892, 27460), (2365, 21968), (2746, 18920), (3440, 15103), (3784, 13730), (4730, 10984), (5492, 9460), (6865, 7568)]