16291120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6569}}^1$

素因数の和:6613

約数の個数: 40

約数和(自身を含む): 39104640

約数和(自身を除く): 22813520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6569, 13138, 26276, 32845, 52552, 65690, 105104, 131380, 203639, 262760, 407278, 525520, 814556, 1018195, 1629112, 2036390, 3258224, 4072780, 8145560, 16291120]

約数ペア:

[(1, 16291120), (2, 8145560), (4, 4072780), (5, 3258224), (8, 2036390), (10, 1629112), (16, 1018195), (20, 814556), (31, 525520), (40, 407278), (62, 262760), (80, 203639), (124, 131380), (155, 105104), (248, 65690), (310, 52552), (496, 32845), (620, 26276), (1240, 13138), (2480, 6569)]