28592720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1447}}^1$

素因数の和:1492

約数の個数: 80

約数和(自身を含む): 75411840

約数和(自身を除く): 46819120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1447, 1520, 1976, 2470, 2894, 3952, 4940, 5788, 7235, 9880, 11576, 14470, 18811, 19760, 23152, 27493, 28940, 37622, 54986, 57880, 75244, 94055, 109972, 115760, 137465, 150488, 188110, 219944, 274930, 300976, 357409, 376220, 439888, 549860, 714818, 752440, 1099720, 1429636, 1504880, 1787045, 2199440, 2859272, 3574090, 5718544, 7148180, 14296360, 28592720]

約数ペア:

[(1, 28592720), (2, 14296360), (4, 7148180), (5, 5718544), (8, 3574090), (10, 2859272), (13, 2199440), (16, 1787045), (19, 1504880), (20, 1429636), (26, 1099720), (38, 752440), (40, 714818), (52, 549860), (65, 439888), (76, 376220), (80, 357409), (95, 300976), (104, 274930), (130, 219944), (152, 188110), (190, 150488), (208, 137465), (247, 115760), (260, 109972), (304, 94055), (380, 75244), (494, 57880), (520, 54986), (760, 37622), (988, 28940), (1040, 27493), (1235, 23152), (1447, 19760), (1520, 18811), (1976, 14470), (2470, 11576), (2894, 9880), (3952, 7235), (4940, 5788)]