28381760

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{733}}^1$

素因数の和:772

約数の個数: 84

約数和(自身を含む): 74387964

約数和(自身を除く): 46006204

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 733, 880, 968, 1210, 1466, 1760, 1936, 2420, 2932, 3520, 3665, 3872, 4840, 5864, 7330, 7744, 8063, 9680, 11728, 14660, 16126, 19360, 23456, 29320, 32252, 38720, 40315, 46912, 58640, 64504, 80630, 88693, 117280, 129008, 161260, 177386, 234560, 258016, 322520, 354772, 443465, 516032, 645040, 709544, 886930, 1290080, 1419088, 1773860, 2580160, 2838176, 3547720, 5676352, 7095440, 14190880, 28381760]

約数ペア:

[(1, 28381760), (2, 14190880), (4, 7095440), (5, 5676352), (8, 3547720), (10, 2838176), (11, 2580160), (16, 1773860), (20, 1419088), (22, 1290080), (32, 886930), (40, 709544), (44, 645040), (55, 516032), (64, 443465), (80, 354772), (88, 322520), (110, 258016), (121, 234560), (160, 177386), (176, 161260), (220, 129008), (242, 117280), (320, 88693), (352, 80630), (440, 64504), (484, 58640), (605, 46912), (704, 40315), (733, 38720), (880, 32252), (968, 29320), (1210, 23456), (1466, 19360), (1760, 16126), (1936, 14660), (2420, 11728), (2932, 9680), (3520, 8063), (3665, 7744), (3872, 7330), (4840, 5864)]