68408440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{74357}}^1$

素因数の和:74391

約数の個数: 32

約数和(自身を含む): 160613280

約数和(自身を除く): 92204840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 74357, 148714, 297428, 371785, 594856, 743570, 1487140, 1710211, 2974280, 3420422, 6840844, 8551055, 13681688, 17102110, 34204220, 68408440]

約数ペア:

[(1, 68408440), (2, 34204220), (4, 17102110), (5, 13681688), (8, 8551055), (10, 6840844), (20, 3420422), (23, 2974280), (40, 1710211), (46, 1487140), (92, 743570), (115, 594856), (184, 371785), (230, 297428), (460, 148714), (920, 74357)]