15871160

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{641}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 35823600

約数和(自身を除く): 19952440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 641, 1238, 1282, 2476, 2564, 3095, 3205, 4952, 5128, 6190, 6410, 12380, 12820, 24760, 25640, 396779, 793558, 1587116, 1983895, 3174232, 3967790, 7935580, 15871160]

約数ペア:

[(1, 15871160), (2, 7935580), (4, 3967790), (5, 3174232), (8, 1983895), (10, 1587116), (20, 793558), (40, 396779), (619, 25640), (641, 24760), (1238, 12820), (1282, 12380), (2476, 6410), (2564, 6190), (3095, 5128), (3205, 4952)]