67661560

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{12347}}^1$

素因数の和:12495

約数の個数: 32

約数和(自身を含む): 153362160

約数和(自身を除く): 85700600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 12347, 24694, 49388, 61735, 98776, 123470, 246940, 493880, 1691539, 3383078, 6766156, 8457695, 13532312, 16915390, 33830780, 67661560]

約数ペア:

[(1, 67661560), (2, 33830780), (4, 16915390), (5, 13532312), (8, 8457695), (10, 6766156), (20, 3383078), (40, 1691539), (137, 493880), (274, 246940), (548, 123470), (685, 98776), (1096, 61735), (1370, 49388), (2740, 24694), (5480, 12347)]