80590240

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4621}}^1$

素因数の和:4745

約数の個数: 48

約数和(自身を含む): 192182760

約数和(自身を除く): 111592520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 4621, 8720, 9242, 17440, 18484, 23105, 36968, 46210, 73936, 92420, 147872, 184840, 369680, 503689, 739360, 1007378, 2014756, 2518445, 4029512, 5036890, 8059024, 10073780, 16118048, 20147560, 40295120, 80590240]

約数ペア:

[(1, 80590240), (2, 40295120), (4, 20147560), (5, 16118048), (8, 10073780), (10, 8059024), (16, 5036890), (20, 4029512), (32, 2518445), (40, 2014756), (80, 1007378), (109, 739360), (160, 503689), (218, 369680), (436, 184840), (545, 147872), (872, 92420), (1090, 73936), (1744, 46210), (2180, 36968), (3488, 23105), (4360, 18484), (4621, 17440), (8720, 9242)]