28672280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7877}}^1$

素因数の和:7908

約数の個数: 64

約数和(自身を含む): 79410240

約数和(自身を除く): 50737960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 7877, 15754, 31508, 39385, 55139, 63016, 78770, 102401, 110278, 157540, 204802, 220556, 275695, 315080, 409604, 441112, 512005, 551390, 716807, 819208, 1024010, 1102780, 1433614, 2048020, 2205560, 2867228, 3584035, 4096040, 5734456, 7168070, 14336140, 28672280]

約数ペア:

[(1, 28672280), (2, 14336140), (4, 7168070), (5, 5734456), (7, 4096040), (8, 3584035), (10, 2867228), (13, 2205560), (14, 2048020), (20, 1433614), (26, 1102780), (28, 1024010), (35, 819208), (40, 716807), (52, 551390), (56, 512005), (65, 441112), (70, 409604), (91, 315080), (104, 275695), (130, 220556), (140, 204802), (182, 157540), (260, 110278), (280, 102401), (364, 78770), (455, 63016), (520, 55139), (728, 39385), (910, 31508), (1820, 15754), (3640, 7877)]