51628720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4513}}^1$

素因数の和:4550

約数の個数: 80

約数和(自身を含む): 141053472

約数和(自身を除く): 89424752

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 4513, 5720, 9026, 11440, 18052, 22565, 36104, 45130, 49643, 58669, 72208, 90260, 99286, 117338, 180520, 198572, 234676, 248215, 293345, 361040, 397144, 469352, 496430, 586690, 645359, 794288, 938704, 992860, 1173380, 1290718, 1985720, 2346760, 2581436, 3226795, 3971440, 4693520, 5162872, 6453590, 10325744, 12907180, 25814360, 51628720]

約数ペア:

[(1, 51628720), (2, 25814360), (4, 12907180), (5, 10325744), (8, 6453590), (10, 5162872), (11, 4693520), (13, 3971440), (16, 3226795), (20, 2581436), (22, 2346760), (26, 1985720), (40, 1290718), (44, 1173380), (52, 992860), (55, 938704), (65, 794288), (80, 645359), (88, 586690), (104, 496430), (110, 469352), (130, 397144), (143, 361040), (176, 293345), (208, 248215), (220, 234676), (260, 198572), (286, 180520), (440, 117338), (520, 99286), (572, 90260), (715, 72208), (880, 58669), (1040, 49643), (1144, 45130), (1430, 36104), (2288, 22565), (2860, 18052), (4513, 11440), (5720, 9026)]